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Finding the Fourth Proportional to 80,311.73, 110,828.52 and 44,501.42

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Solution

The fourth proportional to 80,311.73, 110,828.52 and 44,501.42 is: 61,411.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,311.73 : 110,828.52 = 44,501.42 : x
  2. Step 2: Convert to fraction form
    80,311.73/110,828.52 = 44,501.42/x
  3. Step 3: Cross multiply
    80,311.73x = 110,828.52 × 44,501.42
  4. Step 4: Simplify right side
    80,311.73x = 4,932,026,793.57
  5. Step 5: Solve for x
    x = 4,932,026,793.57/80,311.73
  6. Step 6: Final answer
    x = 61,411.04

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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.