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Finding the Fourth Proportional to 92,165.56, 138,287.22 and 54,797.02

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Solution

The fourth proportional to 92,165.56, 138,287.22 and 54,797.02 is: 82,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,165.56 : 138,287.22 = 54,797.02 : x
  2. Step 2: Convert to fraction form
    92,165.56/138,287.22 = 54,797.02/x
  3. Step 3: Cross multiply
    92,165.56x = 138,287.22 × 54,797.02
  4. Step 4: Simplify right side
    92,165.56x = 7,577,727,560.08
  5. Step 5: Solve for x
    x = 7,577,727,560.08/92,165.56
  6. Step 6: Final answer
    x = 82,218.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.