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Finding the Fourth Proportional to 139,952.27, 193,126.86 and 79,514.52

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Solution

The fourth proportional to 139,952.27, 193,126.86 and 79,514.52 is: 109,725.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,952.27 : 193,126.86 = 79,514.52 : x
  2. Step 2: Convert to fraction form
    139,952.27/193,126.86 = 79,514.52/x
  3. Step 3: Cross multiply
    139,952.27x = 193,126.86 × 79,514.52
  4. Step 4: Simplify right side
    139,952.27x = 15,356,389,572.01
  5. Step 5: Solve for x
    x = 15,356,389,572.01/139,952.27
  6. Step 6: Final answer
    x = 109,725.91

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.