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Finding the Fourth Proportional to 185,594.73, 256,125.69 and 100,711.86

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Solution

The fourth proportional to 185,594.73, 256,125.69 and 100,711.86 is: 138,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,594.73 : 256,125.69 = 100,711.86 : x
  2. Step 2: Convert to fraction form
    185,594.73/256,125.69 = 100,711.86/x
  3. Step 3: Cross multiply
    185,594.73x = 256,125.69 × 100,711.86
  4. Step 4: Simplify right side
    185,594.73x = 25,794,894,633.68
  5. Step 5: Solve for x
    x = 25,794,894,633.68/185,594.73
  6. Step 6: Final answer
    x = 138,985.06

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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.