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Finding the Fourth Proportional to 92,489.01, 127,635.17 and 50,047.54

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Solution

The fourth proportional to 92,489.01, 127,635.17 and 50,047.54 is: 69,065.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,489.01 : 127,635.17 = 50,047.54 : x
  2. Step 2: Convert to fraction form
    92,489.01/127,635.17 = 50,047.54/x
  3. Step 3: Cross multiply
    92,489.01x = 127,635.17 × 50,047.54
  4. Step 4: Simplify right side
    92,489.01x = 6,387,825,706.66
  5. Step 5: Solve for x
    x = 6,387,825,706.66/92,489.01
  6. Step 6: Final answer
    x = 69,065.78

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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.