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Finding the Fourth Proportional to 92,702.70, 127,932.25 and 52,422.49

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Solution

The fourth proportional to 92,702.70, 127,932.25 and 52,422.49 is: 72,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,702.70 : 127,932.25 = 52,422.49 : x
  2. Step 2: Convert to fraction form
    92,702.70/127,932.25 = 52,422.49/x
  3. Step 3: Cross multiply
    92,702.70x = 127,932.25 × 52,422.49
  4. Step 4: Simplify right side
    92,702.70x = 6,706,527,096.30
  5. Step 5: Solve for x
    x = 6,706,527,096.30/92,702.70
  6. Step 6: Final answer
    x = 72,344.46

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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.