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Finding the Fourth Proportional to 107,901.68, 148,912.20 and 62,595.14

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Solution

The fourth proportional to 107,901.68, 148,912.20 and 62,595.14 is: 86,385.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,901.68 : 148,912.20 = 62,595.14 : x
  2. Step 2: Convert to fraction form
    107,901.68/148,912.20 = 62,595.14/x
  3. Step 3: Cross multiply
    107,901.68x = 148,912.20 × 62,595.14
  4. Step 4: Simplify right side
    107,901.68x = 9,321,180,006.71
  5. Step 5: Solve for x
    x = 9,321,180,006.71/107,901.68
  6. Step 6: Final answer
    x = 86,385.87

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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.