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Finding the Fourth Proportional to 167,957.80, 231,798.12 and 125,442.52

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Solution

The fourth proportional to 167,957.80, 231,798.12 and 125,442.52 is: 173,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,957.80 : 231,798.12 = 125,442.52 : x
  2. Step 2: Convert to fraction form
    167,957.80/231,798.12 = 125,442.52/x
  3. Step 3: Cross multiply
    167,957.80x = 231,798.12 × 125,442.52
  4. Step 4: Simplify right side
    167,957.80x = 29,077,340,304.06
  5. Step 5: Solve for x
    x = 29,077,340,304.06/167,957.80
  6. Step 6: Final answer
    x = 173,122.89

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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.