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Finding the Fourth Proportional to 235,306.86, 324,725.52 and 127,876.88

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Solution

The fourth proportional to 235,306.86, 324,725.52 and 127,876.88 is: 176,471.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,306.86 : 324,725.52 = 127,876.88 : x
  2. Step 2: Convert to fraction form
    235,306.86/324,725.52 = 127,876.88/x
  3. Step 3: Cross multiply
    235,306.86x = 324,725.52 × 127,876.88
  4. Step 4: Simplify right side
    235,306.86x = 41,524,886,353.98
  5. Step 5: Solve for x
    x = 41,524,886,353.98/235,306.86
  6. Step 6: Final answer
    x = 176,471.21

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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.