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Finding the Fourth Proportional to 185,587.97, 256,321.22 and 125,053.52

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Solution

The fourth proportional to 185,587.97, 256,321.22 and 125,053.52 is: 172,715.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,587.97 : 256,321.22 = 125,053.52 : x
  2. Step 2: Convert to fraction form
    185,587.97/256,321.22 = 125,053.52/x
  3. Step 3: Cross multiply
    185,587.97x = 256,321.22 × 125,053.52
  4. Step 4: Simplify right side
    185,587.97x = 32,053,868,904.82
  5. Step 5: Solve for x
    x = 32,053,868,904.82/185,587.97
  6. Step 6: Final answer
    x = 172,715.23

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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.