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Finding the Fourth Proportional to 80,314.31, 110,838.17 and 44,503.54

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Solution

The fourth proportional to 80,314.31, 110,838.17 and 44,503.54 is: 61,417.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,314.31 : 110,838.17 = 44,503.54 : x
  2. Step 2: Convert to fraction form
    80,314.31/110,838.17 = 44,503.54/x
  3. Step 3: Cross multiply
    80,314.31x = 110,838.17 × 44,503.54
  4. Step 4: Simplify right side
    80,314.31x = 4,932,690,766.29
  5. Step 5: Solve for x
    x = 4,932,690,766.29/80,314.31
  6. Step 6: Final answer
    x = 61,417.33

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1.5x scale

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.