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Finding the Fourth Proportional to 107,287.20, 160,930.80 and 62,935.20

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Solution

The fourth proportional to 107,287.20, 160,930.80 and 62,935.20 is: 94,402.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,287.20 : 160,930.80 = 62,935.20 : x
  2. Step 2: Convert to fraction form
    107,287.20/160,930.80 = 62,935.20/x
  3. Step 3: Cross multiply
    107,287.20x = 160,930.80 × 62,935.20
  4. Step 4: Simplify right side
    107,287.20x = 10,128,212,084.16
  5. Step 5: Solve for x
    x = 10,128,212,084.16/107,287.20
  6. Step 6: Final answer
    x = 94,402.80

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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.