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Finding the Fourth Proportional to 77,884.48, 107,480.72 and 44,350.56

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Solution

The fourth proportional to 77,884.48, 107,480.72 and 44,350.56 is: 61,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,884.48 : 107,480.72 = 44,350.56 : x
  2. Step 2: Convert to fraction form
    77,884.48/107,480.72 = 44,350.56/x
  3. Step 3: Cross multiply
    77,884.48x = 107,480.72 × 44,350.56
  4. Step 4: Simplify right side
    77,884.48x = 4,766,830,121.20
  5. Step 5: Solve for x
    x = 4,766,830,121.20/77,884.48
  6. Step 6: Final answer
    x = 61,203.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.