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Finding the Fourth Proportional to 96,932.40, 145,355.40 and 37,748.40

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Solution

The fourth proportional to 96,932.40, 145,355.40 and 37,748.40 is: 56,605.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,932.40 : 145,355.40 = 37,748.40 : x
  2. Step 2: Convert to fraction form
    96,932.40/145,355.40 = 37,748.40/x
  3. Step 3: Cross multiply
    96,932.40x = 145,355.40 × 37,748.40
  4. Step 4: Simplify right side
    96,932.40x = 5,486,933,781.36
  5. Step 5: Solve for x
    x = 5,486,933,781.36/96,932.40
  6. Step 6: Final answer
    x = 56,605.78

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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.