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Finding the Fourth Proportional to 92,587.71, 127,755.99 and 52,292.28

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Solution

The fourth proportional to 92,587.71, 127,755.99 and 52,292.28 is: 72,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,587.71 : 127,755.99 = 52,292.28 : x
  2. Step 2: Convert to fraction form
    92,587.71/127,755.99 = 52,292.28/x
  3. Step 3: Cross multiply
    92,587.71x = 127,755.99 × 52,292.28
  4. Step 4: Simplify right side
    92,587.71x = 6,680,652,000.76
  5. Step 5: Solve for x
    x = 6,680,652,000.76/92,587.71
  6. Step 6: Final answer
    x = 72,154.85

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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.