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Finding the Fourth Proportional to 73,778.85, 110,696.22 and 44,217.90

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Solution

The fourth proportional to 73,778.85, 110,696.22 and 44,217.90 is: 66,343.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,778.85 : 110,696.22 = 44,217.90 : x
  2. Step 2: Convert to fraction form
    73,778.85/110,696.22 = 44,217.90/x
  3. Step 3: Cross multiply
    73,778.85x = 110,696.22 × 44,217.90
  4. Step 4: Simplify right side
    73,778.85x = 4,894,754,386.34
  5. Step 5: Solve for x
    x = 4,894,754,386.34/73,778.85
  6. Step 6: Final answer
    x = 66,343.60

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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.