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Finding the Fourth Proportional to 150,073.62, 225,110.76 and 61,327.11

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Solution

The fourth proportional to 150,073.62, 225,110.76 and 61,327.11 is: 91,990.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,073.62 : 225,110.76 = 61,327.11 : x
  2. Step 2: Convert to fraction form
    150,073.62/225,110.76 = 61,327.11/x
  3. Step 3: Cross multiply
    150,073.62x = 225,110.76 × 61,327.11
  4. Step 4: Simplify right side
    150,073.62x = 13,805,392,340.70
  5. Step 5: Solve for x
    x = 13,805,392,340.70/150,073.62
  6. Step 6: Final answer
    x = 91,990.80

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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.