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Finding the Fourth Proportional to 80,937.92, 121,482.72 and 49,833.92

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Solution

The fourth proportional to 80,937.92, 121,482.72 and 49,833.92 is: 74,797.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,937.92 : 121,482.72 = 49,833.92 : x
  2. Step 2: Convert to fraction form
    80,937.92/121,482.72 = 49,833.92/x
  3. Step 3: Cross multiply
    80,937.92x = 121,482.72 × 49,833.92
  4. Step 4: Simplify right side
    80,937.92x = 6,053,960,149.86
  5. Step 5: Solve for x
    x = 6,053,960,149.86/80,937.92
  6. Step 6: Final answer
    x = 74,797.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.