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Finding the Fourth Proportional to 61,480.10, 92,220.15 and 44,761.70

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Solution

The fourth proportional to 61,480.10, 92,220.15 and 44,761.70 is: 67,142.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,480.10 : 92,220.15 = 44,761.70 : x
  2. Step 2: Convert to fraction form
    61,480.10/92,220.15 = 44,761.70/x
  3. Step 3: Cross multiply
    61,480.10x = 92,220.15 × 44,761.70
  4. Step 4: Simplify right side
    61,480.10x = 4,127,930,688.26
  5. Step 5: Solve for x
    x = 4,127,930,688.26/61,480.10
  6. Step 6: Final answer
    x = 67,142.55

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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.