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Finding the Fourth Proportional to 92,387.60, 127,493 and 52,100.88

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Solution

The fourth proportional to 92,387.60, 127,493 and 52,100.88 is: 71,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,387.60 : 127,493 = 52,100.88 : x
  2. Step 2: Convert to fraction form
    92,387.60/127,493 = 52,100.88/x
  3. Step 3: Cross multiply
    92,387.60x = 127,493 × 52,100.88
  4. Step 4: Simplify right side
    92,387.60x = 6,642,497,493.84
  5. Step 5: Solve for x
    x = 6,642,497,493.84/92,387.60
  6. Step 6: Final answer
    x = 71,898.15

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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.