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Finding the Fourth Proportional to 229,337.73, 316,475.37 and 127,369.80

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Solution

The fourth proportional to 229,337.73, 316,475.37 and 127,369.80 is: 175,764.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,337.73 : 316,475.37 = 127,369.80 : x
  2. Step 2: Convert to fraction form
    229,337.73/316,475.37 = 127,369.80/x
  3. Step 3: Cross multiply
    229,337.73x = 316,475.37 × 127,369.80
  4. Step 4: Simplify right side
    229,337.73x = 40,309,404,581.83
  5. Step 5: Solve for x
    x = 40,309,404,581.83/229,337.73
  6. Step 6: Final answer
    x = 175,764.38

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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.