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Finding the Fourth Proportional to 235,322.52, 324,747.60 and 127,892.56

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Solution

The fourth proportional to 235,322.52, 324,747.60 and 127,892.56 is: 176,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,322.52 : 324,747.60 = 127,892.56 : x
  2. Step 2: Convert to fraction form
    235,322.52/324,747.60 = 127,892.56/x
  3. Step 3: Cross multiply
    235,322.52x = 324,747.60 × 127,892.56
  4. Step 4: Simplify right side
    235,322.52x = 41,532,801,235.29
  5. Step 5: Solve for x
    x = 41,532,801,235.29/235,322.52
  6. Step 6: Final answer
    x = 176,493.10

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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.