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Finding the Fourth Proportional to 150,487.71, 225,731.98 and 38,168.01

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Solution

The fourth proportional to 150,487.71, 225,731.98 and 38,168.01 is: 57,252.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,487.71 : 225,731.98 = 38,168.01 : x
  2. Step 2: Convert to fraction form
    150,487.71/225,731.98 = 38,168.01/x
  3. Step 3: Cross multiply
    150,487.71x = 225,731.98 × 38,168.01
  4. Step 4: Simplify right side
    150,487.71x = 8,615,740,517.67
  5. Step 5: Solve for x
    x = 8,615,740,517.67/150,487.71
  6. Step 6: Final answer
    x = 57,252.12

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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.