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Finding the Fourth Proportional to 68,784.45, 96,101.40 and 68,784.45

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Solution

The fourth proportional to 68,784.45, 96,101.40 and 68,784.45 is: 96,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,784.45 : 96,101.40 = 68,784.45 : x
  2. Step 2: Convert to fraction form
    68,784.45/96,101.40 = 68,784.45/x
  3. Step 3: Cross multiply
    68,784.45x = 96,101.40 × 68,784.45
  4. Step 4: Simplify right side
    68,784.45x = 6,610,281,943.23
  5. Step 5: Solve for x
    x = 6,610,281,943.23/68,784.45
  6. Step 6: Final answer
    x = 96,101.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.