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Finding the Fourth Proportional to 92,754.32, 127,922.02 and 71,296.07

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Solution

The fourth proportional to 92,754.32, 127,922.02 and 71,296.07 is: 98,327.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,754.32 : 127,922.02 = 71,296.07 : x
  2. Step 2: Convert to fraction form
    92,754.32/127,922.02 = 71,296.07/x
  3. Step 3: Cross multiply
    92,754.32x = 127,922.02 × 71,296.07
  4. Step 4: Simplify right side
    92,754.32x = 9,120,336,474.61
  5. Step 5: Solve for x
    x = 9,120,336,474.61/92,754.32
  6. Step 6: Final answer
    x = 98,327.89

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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.