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Finding the Fourth Proportional to 80,364.70, 110,905.91 and 44,558.04

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Solution

The fourth proportional to 80,364.70, 110,905.91 and 44,558.04 is: 61,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,364.70 : 110,905.91 = 44,558.04 : x
  2. Step 2: Convert to fraction form
    80,364.70/110,905.91 = 44,558.04/x
  3. Step 3: Cross multiply
    80,364.70x = 110,905.91 × 44,558.04
  4. Step 4: Simplify right side
    80,364.70x = 4,941,749,974.02
  5. Step 5: Solve for x
    x = 4,941,749,974.02/80,364.70
  6. Step 6: Final answer
    x = 61,491.55

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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.