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Finding the Fourth Proportional to 95,791.68, 143,687.46 and 45,178.94

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Solution

The fourth proportional to 95,791.68, 143,687.46 and 45,178.94 is: 67,768.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,791.68 : 143,687.46 = 45,178.94 : x
  2. Step 2: Convert to fraction form
    95,791.68/143,687.46 = 45,178.94/x
  3. Step 3: Cross multiply
    95,791.68x = 143,687.46 × 45,178.94
  4. Step 4: Simplify right side
    95,791.68x = 6,491,646,415.66
  5. Step 5: Solve for x
    x = 6,491,646,415.66/95,791.68
  6. Step 6: Final answer
    x = 67,768.37

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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.