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Finding the Fourth Proportional to 80,318.57, 110,838.29 and 44,019.73

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Solution

The fourth proportional to 80,318.57, 110,838.29 and 44,019.73 is: 60,746.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.57 : 110,838.29 = 44,019.73 : x
  2. Step 2: Convert to fraction form
    80,318.57/110,838.29 = 44,019.73/x
  3. Step 3: Cross multiply
    80,318.57x = 110,838.29 × 44,019.73
  4. Step 4: Simplify right side
    80,318.57x = 4,879,071,765.52
  5. Step 5: Solve for x
    x = 4,879,071,765.52/80,318.57
  6. Step 6: Final answer
    x = 60,746.50

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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.