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Finding the Fourth Proportional to 91,774.36, 126,601.98 and 59,961.88

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Solution

The fourth proportional to 91,774.36, 126,601.98 and 59,961.88 is: 82,716.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,774.36 : 126,601.98 = 59,961.88 : x
  2. Step 2: Convert to fraction form
    91,774.36/126,601.98 = 59,961.88/x
  3. Step 3: Cross multiply
    91,774.36x = 126,601.98 × 59,961.88
  4. Step 4: Simplify right side
    91,774.36x = 7,591,292,732.52
  5. Step 5: Solve for x
    x = 7,591,292,732.52/91,774.36
  6. Step 6: Final answer
    x = 82,716.92

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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.