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Finding the Fourth Proportional to 250,225.92, 375,171.48 and 137,959.92

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Solution

The fourth proportional to 250,225.92, 375,171.48 and 137,959.92 is: 206,847.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,225.92 : 375,171.48 = 137,959.92 : x
  2. Step 2: Convert to fraction form
    250,225.92/375,171.48 = 137,959.92/x
  3. Step 3: Cross multiply
    250,225.92x = 375,171.48 × 137,959.92
  4. Step 4: Simplify right side
    250,225.92x = 51,758,627,367.08
  5. Step 5: Solve for x
    x = 51,758,627,367.08/250,225.92
  6. Step 6: Final answer
    x = 206,847.59

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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.