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Finding the Fourth Proportional to 235,372.59, 324,807.27 and 127,939.86

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Solution

The fourth proportional to 235,372.59, 324,807.27 and 127,939.86 is: 176,553.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,372.59 : 324,807.27 = 127,939.86 : x
  2. Step 2: Convert to fraction form
    235,372.59/324,807.27 = 127,939.86/x
  3. Step 3: Cross multiply
    235,372.59x = 324,807.27 × 127,939.86
  4. Step 4: Simplify right side
    235,372.59x = 41,555,796,650.78
  5. Step 5: Solve for x
    x = 41,555,796,650.78/235,372.59
  6. Step 6: Final answer
    x = 176,553.25

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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.