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Finding the Fourth Proportional to 54,156.60, 81,259.20 and 24,559.20

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Solution

The fourth proportional to 54,156.60, 81,259.20 and 24,559.20 is: 36,849.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,156.60 : 81,259.20 = 24,559.20 : x
  2. Step 2: Convert to fraction form
    54,156.60/81,259.20 = 24,559.20/x
  3. Step 3: Cross multiply
    54,156.60x = 81,259.20 × 24,559.20
  4. Step 4: Simplify right side
    54,156.60x = 1,995,660,944.64
  5. Step 5: Solve for x
    x = 1,995,660,944.64/54,156.60
  6. Step 6: Final answer
    x = 36,849.82

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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.