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Finding the Fourth Proportional to 235,305.86, 324,724.14 and 127,875.88

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Solution

The fourth proportional to 235,305.86, 324,724.14 and 127,875.88 is: 176,469.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,305.86 : 324,724.14 = 127,875.88 : x
  2. Step 2: Convert to fraction form
    235,305.86/324,724.14 = 127,875.88/x
  3. Step 3: Cross multiply
    235,305.86x = 324,724.14 × 127,875.88
  4. Step 4: Simplify right side
    235,305.86x = 41,524,385,565.65
  5. Step 5: Solve for x
    x = 41,524,385,565.65/235,305.86
  6. Step 6: Final answer
    x = 176,469.83

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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.