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Finding the Fourth Proportional to 239,920.01, 360,097.65 and 127,694.71

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Solution

The fourth proportional to 239,920.01, 360,097.65 and 127,694.71 is: 191,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,920.01 : 360,097.65 = 127,694.71 : x
  2. Step 2: Convert to fraction form
    239,920.01/360,097.65 = 127,694.71/x
  3. Step 3: Cross multiply
    239,920.01x = 360,097.65 × 127,694.71
  4. Step 4: Simplify right side
    239,920.01x = 45,982,565,438.55
  5. Step 5: Solve for x
    x = 45,982,565,438.55/239,920.01
  6. Step 6: Final answer
    x = 191,657.90

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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.