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Finding the Fourth Proportional to 61,444.80, 92,167.20 and 54,227.70

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Solution

The fourth proportional to 61,444.80, 92,167.20 and 54,227.70 is: 81,341.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,444.80 : 92,167.20 = 54,227.70 : x
  2. Step 2: Convert to fraction form
    61,444.80/92,167.20 = 54,227.70/x
  3. Step 3: Cross multiply
    61,444.80x = 92,167.20 × 54,227.70
  4. Step 4: Simplify right side
    61,444.80x = 4,998,015,271.44
  5. Step 5: Solve for x
    x = 4,998,015,271.44/61,444.80
  6. Step 6: Final answer
    x = 81,341.55

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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.