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Finding the Fourth Proportional to 106,389.60, 159,584.40 and 62,066.40

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Solution

The fourth proportional to 106,389.60, 159,584.40 and 62,066.40 is: 93,099.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,389.60 : 159,584.40 = 62,066.40 : x
  2. Step 2: Convert to fraction form
    106,389.60/159,584.40 = 62,066.40/x
  3. Step 3: Cross multiply
    106,389.60x = 159,584.40 × 62,066.40
  4. Step 4: Simplify right side
    106,389.60x = 9,904,829,204.16
  5. Step 5: Solve for x
    x = 9,904,829,204.16/106,389.60
  6. Step 6: Final answer
    x = 93,099.60

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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.