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Finding the Fourth Proportional to 225,429.93, 338,155.29 and 125,514.90

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Solution

The fourth proportional to 225,429.93, 338,155.29 and 125,514.90 is: 188,278.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,429.93 : 338,155.29 = 125,514.90 : x
  2. Step 2: Convert to fraction form
    225,429.93/338,155.29 = 125,514.90/x
  3. Step 3: Cross multiply
    225,429.93x = 338,155.29 × 125,514.90
  4. Step 4: Simplify right side
    225,429.93x = 42,443,527,408.82
  5. Step 5: Solve for x
    x = 42,443,527,408.82/225,429.93
  6. Step 6: Final answer
    x = 188,278.14

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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.