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Finding the Fourth Proportional to 227,407.38, 313,819.68 and 125,437.14

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Solution

The fourth proportional to 227,407.38, 313,819.68 and 125,437.14 is: 173,101.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,407.38 : 313,819.68 = 125,437.14 : x
  2. Step 2: Convert to fraction form
    227,407.38/313,819.68 = 125,437.14/x
  3. Step 3: Cross multiply
    227,407.38x = 313,819.68 × 125,437.14
  4. Step 4: Simplify right side
    227,407.38x = 39,364,643,134.92
  5. Step 5: Solve for x
    x = 39,364,643,134.92/227,407.38
  6. Step 6: Final answer
    x = 173,101.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.