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Finding the Fourth Proportional to 80,036.48, 120,060.80 and 23,872.20

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Solution

The fourth proportional to 80,036.48, 120,060.80 and 23,872.20 is: 35,810.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,036.48 : 120,060.80 = 23,872.20 : x
  2. Step 2: Convert to fraction form
    80,036.48/120,060.80 = 23,872.20/x
  3. Step 3: Cross multiply
    80,036.48x = 120,060.80 × 23,872.20
  4. Step 4: Simplify right side
    80,036.48x = 2,866,115,310.40
  5. Step 5: Solve for x
    x = 2,866,115,310.40/80,036.48
  6. Step 6: Final answer
    x = 35,810.11

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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.