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Finding the Fourth Proportional to 229,481.52, 316,683.92 and 127,506.56

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Solution

The fourth proportional to 229,481.52, 316,683.92 and 127,506.56 is: 175,958.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,481.52 : 316,683.92 = 127,506.56 : x
  2. Step 2: Convert to fraction form
    229,481.52/316,683.92 = 127,506.56/x
  3. Step 3: Cross multiply
    229,481.52x = 316,683.92 × 127,506.56
  4. Step 4: Simplify right side
    229,481.52x = 40,379,277,246.52
  5. Step 5: Solve for x
    x = 40,379,277,246.52/229,481.52
  6. Step 6: Final answer
    x = 175,958.73

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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.