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Finding the Fourth Proportional to 171,301.20, 256,951.80 and 92,569.20

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Solution

The fourth proportional to 171,301.20, 256,951.80 and 92,569.20 is: 138,853.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,301.20 : 256,951.80 = 92,569.20 : x
  2. Step 2: Convert to fraction form
    171,301.20/256,951.80 = 92,569.20/x
  3. Step 3: Cross multiply
    171,301.20x = 256,951.80 × 92,569.20
  4. Step 4: Simplify right side
    171,301.20x = 23,785,822,564.56
  5. Step 5: Solve for x
    x = 23,785,822,564.56/171,301.20
  6. Step 6: Final answer
    x = 138,853.80

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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.