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Finding the Fourth Proportional to 80,318.92, 110,838.28 and 46,327.48

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Solution

The fourth proportional to 80,318.92, 110,838.28 and 46,327.48 is: 63,930.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,318.92 : 110,838.28 = 46,327.48 : x
  2. Step 2: Convert to fraction form
    80,318.92/110,838.28 = 46,327.48/x
  3. Step 3: Cross multiply
    80,318.92x = 110,838.28 × 46,327.48
  4. Step 4: Simplify right side
    80,318.92x = 5,134,858,199.93
  5. Step 5: Solve for x
    x = 5,134,858,199.93/80,318.92
  6. Step 6: Final answer
    x = 63,930.87

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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.