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Finding the Fourth Proportional to 225,285, 337,665.06 and 125,397.42

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Solution

The fourth proportional to 225,285, 337,665.06 and 125,397.42 is: 187,950.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,285 : 337,665.06 = 125,397.42 : x
  2. Step 2: Convert to fraction form
    225,285/337,665.06 = 125,397.42/x
  3. Step 3: Cross multiply
    225,285x = 337,665.06 × 125,397.42
  4. Step 4: Simplify right side
    225,285x = 42,342,327,348.15
  5. Step 5: Solve for x
    x = 42,342,327,348.15/225,285
  6. Step 6: Final answer
    x = 187,950.05

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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.