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Finding the Fourth Proportional to 80,751.71, 111,436.25 and 44,941.72

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Solution

The fourth proportional to 80,751.71, 111,436.25 and 44,941.72 is: 62,018.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,751.71 : 111,436.25 = 44,941.72 : x
  2. Step 2: Convert to fraction form
    80,751.71/111,436.25 = 44,941.72/x
  3. Step 3: Cross multiply
    80,751.71x = 111,436.25 × 44,941.72
  4. Step 4: Simplify right side
    80,751.71x = 5,008,136,579.11
  5. Step 5: Solve for x
    x = 5,008,136,579.11/80,751.71
  6. Step 6: Final answer
    x = 62,018.95

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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.