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Finding the Fourth Proportional to 80,547.96, 120,861.54 and 36,206.04

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Solution

The fourth proportional to 80,547.96, 120,861.54 and 36,206.04 is: 54,326.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,547.96 : 120,861.54 = 36,206.04 : x
  2. Step 2: Convert to fraction form
    80,547.96/120,861.54 = 36,206.04/x
  3. Step 3: Cross multiply
    80,547.96x = 120,861.54 × 36,206.04
  4. Step 4: Simplify right side
    80,547.96x = 4,375,917,751.70
  5. Step 5: Solve for x
    x = 4,375,917,751.70/80,547.96
  6. Step 6: Final answer
    x = 54,326.86

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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.