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Finding the Fourth Proportional to 92,740.44, 127,934.70 and 58,691.54

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Solution

The fourth proportional to 92,740.44, 127,934.70 and 58,691.54 is: 80,964.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,740.44 : 127,934.70 = 58,691.54 : x
  2. Step 2: Convert to fraction form
    92,740.44/127,934.70 = 58,691.54/x
  3. Step 3: Cross multiply
    92,740.44x = 127,934.70 × 58,691.54
  4. Step 4: Simplify right side
    92,740.44x = 7,508,684,562.44
  5. Step 5: Solve for x
    x = 7,508,684,562.44/92,740.44
  6. Step 6: Final answer
    x = 80,964.51

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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.