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Finding the Fourth Proportional to 106,387.60, 159,581.40 and 62,064.40

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Solution

The fourth proportional to 106,387.60, 159,581.40 and 62,064.40 is: 93,096.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,387.60 : 159,581.40 = 62,064.40 : x
  2. Step 2: Convert to fraction form
    106,387.60/159,581.40 = 62,064.40/x
  3. Step 3: Cross multiply
    106,387.60x = 159,581.40 × 62,064.40
  4. Step 4: Simplify right side
    106,387.60x = 9,904,323,842.16
  5. Step 5: Solve for x
    x = 9,904,323,842.16/106,387.60
  6. Step 6: Final answer
    x = 93,096.60

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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.