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Finding the Fourth Proportional to 77,580.44, 107,061.11 and 44,046.44

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Solution

The fourth proportional to 77,580.44, 107,061.11 and 44,046.44 is: 60,784.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,580.44 : 107,061.11 = 44,046.44 : x
  2. Step 2: Convert to fraction form
    77,580.44/107,061.11 = 44,046.44/x
  3. Step 3: Cross multiply
    77,580.44x = 107,061.11 × 44,046.44
  4. Step 4: Simplify right side
    77,580.44x = 4,715,660,757.95
  5. Step 5: Solve for x
    x = 4,715,660,757.95/77,580.44
  6. Step 6: Final answer
    x = 60,784.15

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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.