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Finding the Fourth Proportional to 101,747.52, 152,535.15 and 38,532.79

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Solution

The fourth proportional to 101,747.52, 152,535.15 and 38,532.79 is: 57,766.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,747.52 : 152,535.15 = 38,532.79 : x
  2. Step 2: Convert to fraction form
    101,747.52/152,535.15 = 38,532.79/x
  3. Step 3: Cross multiply
    101,747.52x = 152,535.15 × 38,532.79
  4. Step 4: Simplify right side
    101,747.52x = 5,877,605,093.24
  5. Step 5: Solve for x
    x = 5,877,605,093.24/101,747.52
  6. Step 6: Final answer
    x = 57,766.57

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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.