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Finding the Fourth Proportional to 54,201.80, 81,278.40 and 24,604.40

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Solution

The fourth proportional to 54,201.80, 81,278.40 and 24,604.40 is: 36,895.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,201.80 : 81,278.40 = 24,604.40 : x
  2. Step 2: Convert to fraction form
    54,201.80/81,278.40 = 24,604.40/x
  3. Step 3: Cross multiply
    54,201.80x = 81,278.40 × 24,604.40
  4. Step 4: Simplify right side
    54,201.80x = 1,999,806,264.96
  5. Step 5: Solve for x
    x = 1,999,806,264.96/54,201.80
  6. Step 6: Final answer
    x = 36,895.57

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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.