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Finding the Fourth Proportional to 80,863.80, 121,274.10 and 24,703.80

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Solution

The fourth proportional to 80,863.80, 121,274.10 and 24,703.80 is: 37,049.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,863.80 : 121,274.10 = 24,703.80 : x
  2. Step 2: Convert to fraction form
    80,863.80/121,274.10 = 24,703.80/x
  3. Step 3: Cross multiply
    80,863.80x = 121,274.10 × 24,703.80
  4. Step 4: Simplify right side
    80,863.80x = 2,995,931,111.58
  5. Step 5: Solve for x
    x = 2,995,931,111.58/80,863.80
  6. Step 6: Final answer
    x = 37,049.10

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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.