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Finding the Fourth Proportional to 80,364.47, 110,905.56 and 44,557.79

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Solution

The fourth proportional to 80,364.47, 110,905.56 and 44,557.79 is: 61,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,364.47 : 110,905.56 = 44,557.79 : x
  2. Step 2: Convert to fraction form
    80,364.47/110,905.56 = 44,557.79/x
  3. Step 3: Cross multiply
    80,364.47x = 110,905.56 × 44,557.79
  4. Step 4: Simplify right side
    80,364.47x = 4,941,706,097.78
  5. Step 5: Solve for x
    x = 4,941,706,097.78/80,364.47
  6. Step 6: Final answer
    x = 61,491.18

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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.