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Finding the Fourth Proportional to 61,877.20, 92,815.80 and 44,510.80

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Solution

The fourth proportional to 61,877.20, 92,815.80 and 44,510.80 is: 66,766.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,877.20 : 92,815.80 = 44,510.80 : x
  2. Step 2: Convert to fraction form
    61,877.20/92,815.80 = 44,510.80/x
  3. Step 3: Cross multiply
    61,877.20x = 92,815.80 × 44,510.80
  4. Step 4: Simplify right side
    61,877.20x = 4,131,305,510.64
  5. Step 5: Solve for x
    x = 4,131,305,510.64/61,877.20
  6. Step 6: Final answer
    x = 66,766.20

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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.