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Finding the Fourth Proportional to 625,251.72, 937,875.15 and 151,938.48

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Solution

The fourth proportional to 625,251.72, 937,875.15 and 151,938.48 is: 227,907.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,251.72 : 937,875.15 = 151,938.48 : x
  2. Step 2: Convert to fraction form
    625,251.72/937,875.15 = 151,938.48/x
  3. Step 3: Cross multiply
    625,251.72x = 937,875.15 × 151,938.48
  4. Step 4: Simplify right side
    625,251.72x = 142,499,324,720.77
  5. Step 5: Solve for x
    x = 142,499,324,720.77/625,251.72
  6. Step 6: Final answer
    x = 227,907.13

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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.