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Finding the Fourth Proportional to 101,693.62, 152,542.03 and 38,496.78

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Solution

The fourth proportional to 101,693.62, 152,542.03 and 38,496.78 is: 57,745.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,693.62 : 152,542.03 = 38,496.78 : x
  2. Step 2: Convert to fraction form
    101,693.62/152,542.03 = 38,496.78/x
  3. Step 3: Cross multiply
    101,693.62x = 152,542.03 × 38,496.78
  4. Step 4: Simplify right side
    101,693.62x = 5,872,376,014.47
  5. Step 5: Solve for x
    x = 5,872,376,014.47/101,693.62
  6. Step 6: Final answer
    x = 57,745.77

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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.