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Finding the Fourth Proportional to 92,642.52, 127,836.45 and 52,356.24

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Solution

The fourth proportional to 92,642.52, 127,836.45 and 52,356.24 is: 72,245.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,642.52 : 127,836.45 = 52,356.24 : x
  2. Step 2: Convert to fraction form
    92,642.52/127,836.45 = 52,356.24/x
  3. Step 3: Cross multiply
    92,642.52x = 127,836.45 × 52,356.24
  4. Step 4: Simplify right side
    92,642.52x = 6,693,035,856.95
  5. Step 5: Solve for x
    x = 6,693,035,856.95/92,642.52
  6. Step 6: Final answer
    x = 72,245.83

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1.5x scale

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.