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Finding the Fourth Proportional to 45,362,238.45, 68,043,357.75 and 45,362,238.45

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Solution

The fourth proportional to 45,362,238.45, 68,043,357.75 and 45,362,238.45 is: 68,043,357.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,362,238.45 : 68,043,357.75 = 45,362,238.45 : x
  2. Step 2: Convert to fraction form
    45,362,238.45/68,043,357.75 = 45,362,238.45/x
  3. Step 3: Cross multiply
    45,362,238.45x = 68,043,357.75 × 45,362,238.45
  4. Step 4: Simplify right side
    45,362,238.45x = 3,086,599,019,194,155.50
  5. Step 5: Solve for x
    x = 3,086,599,019,194,155.50/45,362,238.45
  6. Step 6: Final answer
    x = 68,043,357.75

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.