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Finding the Fourth Proportional to 95,550.80, 143,326.20 and 82,428.80

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Solution

The fourth proportional to 95,550.80, 143,326.20 and 82,428.80 is: 123,643.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,550.80 : 143,326.20 = 82,428.80 : x
  2. Step 2: Convert to fraction form
    95,550.80/143,326.20 = 82,428.80/x
  3. Step 3: Cross multiply
    95,550.80x = 143,326.20 × 82,428.80
  4. Step 4: Simplify right side
    95,550.80x = 11,814,206,674.56
  5. Step 5: Solve for x
    x = 11,814,206,674.56/95,550.80
  6. Step 6: Final answer
    x = 123,643.20

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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.