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Finding the Fourth Proportional to 266,557.87, 399,906.84 and 95,796.83

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Solution

The fourth proportional to 266,557.87, 399,906.84 and 95,796.83 is: 143,720.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,557.87 : 399,906.84 = 95,796.83 : x
  2. Step 2: Convert to fraction form
    266,557.87/399,906.84 = 95,796.83/x
  3. Step 3: Cross multiply
    266,557.87x = 399,906.84 × 95,796.83
  4. Step 4: Simplify right side
    266,557.87x = 38,309,806,708.20
  5. Step 5: Solve for x
    x = 38,309,806,708.20/266,557.87
  6. Step 6: Final answer
    x = 143,720.41

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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.