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Finding the Fourth Proportional to 92,562.75, 127,735.61 and 52,275.78

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Solution

The fourth proportional to 92,562.75, 127,735.61 and 52,275.78 is: 72,140.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,562.75 : 127,735.61 = 52,275.78 : x
  2. Step 2: Convert to fraction form
    92,562.75/127,735.61 = 52,275.78/x
  3. Step 3: Cross multiply
    92,562.75x = 127,735.61 × 52,275.78
  4. Step 4: Simplify right side
    92,562.75x = 6,677,478,385.15
  5. Step 5: Solve for x
    x = 6,677,478,385.15/92,562.75
  6. Step 6: Final answer
    x = 72,140.02

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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.