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Finding the Fourth Proportional to 136,597.27, 204,932.39 and 43,104.79

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Solution

The fourth proportional to 136,597.27, 204,932.39 and 43,104.79 is: 64,668.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,597.27 : 204,932.39 = 43,104.79 : x
  2. Step 2: Convert to fraction form
    136,597.27/204,932.39 = 43,104.79/x
  3. Step 3: Cross multiply
    136,597.27x = 204,932.39 × 43,104.79
  4. Step 4: Simplify right side
    136,597.27x = 8,833,567,419.62
  5. Step 5: Solve for x
    x = 8,833,567,419.62/136,597.27
  6. Step 6: Final answer
    x = 64,668.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.