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Finding the Fourth Proportional to 107,687.67, 148,591.96 and 62,369.92

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Solution

The fourth proportional to 107,687.67, 148,591.96 and 62,369.92 is: 86,060.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,687.67 : 148,591.96 = 62,369.92 : x
  2. Step 2: Convert to fraction form
    107,687.67/148,591.96 = 62,369.92/x
  3. Step 3: Cross multiply
    107,687.67x = 148,591.96 × 62,369.92
  4. Step 4: Simplify right side
    107,687.67x = 9,267,668,657.84
  5. Step 5: Solve for x
    x = 9,267,668,657.84/107,687.67
  6. Step 6: Final answer
    x = 86,060.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.