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Finding the Fourth Proportional to 96,029.20, 144,043.80 and 80,822.80

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Solution

The fourth proportional to 96,029.20, 144,043.80 and 80,822.80 is: 121,234.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,029.20 : 144,043.80 = 80,822.80 : x
  2. Step 2: Convert to fraction form
    96,029.20/144,043.80 = 80,822.80/x
  3. Step 3: Cross multiply
    96,029.20x = 144,043.80 × 80,822.80
  4. Step 4: Simplify right side
    96,029.20x = 11,642,023,238.64
  5. Step 5: Solve for x
    x = 11,642,023,238.64/96,029.20
  6. Step 6: Final answer
    x = 121,234.20

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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.