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Finding the Fourth Proportional to 185,564.52, 256,287.66 and 125,029.16

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Solution

The fourth proportional to 185,564.52, 256,287.66 and 125,029.16 is: 172,680.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,564.52 : 256,287.66 = 125,029.16 : x
  2. Step 2: Convert to fraction form
    185,564.52/256,287.66 = 125,029.16/x
  3. Step 3: Cross multiply
    185,564.52x = 256,287.66 × 125,029.16
  4. Step 4: Simplify right side
    185,564.52x = 32,043,430,848.17
  5. Step 5: Solve for x
    x = 32,043,430,848.17/185,564.52
  6. Step 6: Final answer
    x = 172,680.81

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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.