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Finding the Fourth Proportional to 45,506,500.20, 68,259,750.30 and 45,506,500.20

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Solution

The fourth proportional to 45,506,500.20, 68,259,750.30 and 45,506,500.20 is: 68,259,750.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,506,500.20 : 68,259,750.30 = 45,506,500.20 : x
  2. Step 2: Convert to fraction form
    45,506,500.20/68,259,750.30 = 45,506,500.20/x
  3. Step 3: Cross multiply
    45,506,500.20x = 68,259,750.30 × 45,506,500.20
  4. Step 4: Simplify right side
    45,506,500.20x = 3,106,262,340,678,900
  5. Step 5: Solve for x
    x = 3,106,262,340,678,900/45,506,500.20
  6. Step 6: Final answer
    x = 68,259,750.30

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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.