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Finding the Fourth Proportional to 80,172.59, 120,225.06 and 24,020.69

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Solution

The fourth proportional to 80,172.59, 120,225.06 and 24,020.69 is: 36,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,172.59 : 120,225.06 = 24,020.69 : x
  2. Step 2: Convert to fraction form
    80,172.59/120,225.06 = 24,020.69/x
  3. Step 3: Cross multiply
    80,172.59x = 120,225.06 × 24,020.69
  4. Step 4: Simplify right side
    80,172.59x = 2,887,888,295.37
  5. Step 5: Solve for x
    x = 2,887,888,295.37/80,172.59
  6. Step 6: Final answer
    x = 36,020.90

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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.