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Finding the Fourth Proportional to 228,371.52, 342,163.52 and 151,387.32

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Solution

The fourth proportional to 228,371.52, 342,163.52 and 151,387.32 is: 226,819.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,371.52 : 342,163.52 = 151,387.32 : x
  2. Step 2: Convert to fraction form
    228,371.52/342,163.52 = 151,387.32/x
  3. Step 3: Cross multiply
    228,371.52x = 342,163.52 × 151,387.32
  4. Step 4: Simplify right side
    228,371.52x = 51,799,218,294.57
  5. Step 5: Solve for x
    x = 51,799,218,294.57/228,371.52
  6. Step 6: Final answer
    x = 226,819.96

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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.