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Finding the Fourth Proportional to 80,329.64, 110,854.90 and 44,521.95

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Solution

The fourth proportional to 80,329.64, 110,854.90 and 44,521.95 is: 61,440.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,329.64 : 110,854.90 = 44,521.95 : x
  2. Step 2: Convert to fraction form
    80,329.64/110,854.90 = 44,521.95/x
  3. Step 3: Cross multiply
    80,329.64x = 110,854.90 × 44,521.95
  4. Step 4: Simplify right side
    80,329.64x = 4,935,476,315.06
  5. Step 5: Solve for x
    x = 4,935,476,315.06/80,329.64
  6. Step 6: Final answer
    x = 61,440.29

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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.