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Finding the Fourth Proportional to 101,327.70, 152,046.27 and 42,204.18

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Solution

The fourth proportional to 101,327.70, 152,046.27 and 42,204.18 is: 63,329.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,327.70 : 152,046.27 = 42,204.18 : x
  2. Step 2: Convert to fraction form
    101,327.70/152,046.27 = 42,204.18/x
  3. Step 3: Cross multiply
    101,327.70x = 152,046.27 × 42,204.18
  4. Step 4: Simplify right side
    101,327.70x = 6,416,988,147.41
  5. Step 5: Solve for x
    x = 6,416,988,147.41/101,327.70
  6. Step 6: Final answer
    x = 63,329.06

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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.