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Finding the Fourth Proportional to 239,610.80, 330,651.12 and 144,098.96

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Solution

The fourth proportional to 239,610.80, 330,651.12 and 144,098.96 is: 198,849.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,610.80 : 330,651.12 = 144,098.96 : x
  2. Step 2: Convert to fraction form
    239,610.80/330,651.12 = 144,098.96/x
  3. Step 3: Cross multiply
    239,610.80x = 330,651.12 × 144,098.96
  4. Step 4: Simplify right side
    239,610.80x = 47,646,482,514.84
  5. Step 5: Solve for x
    x = 47,646,482,514.84/239,610.80
  6. Step 6: Final answer
    x = 198,849.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.