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Finding the Fourth Proportional to 167,167.80, 230,692.14 and 91,717.56

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Solution

The fourth proportional to 167,167.80, 230,692.14 and 91,717.56 is: 126,570.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,167.80 : 230,692.14 = 91,717.56 : x
  2. Step 2: Convert to fraction form
    167,167.80/230,692.14 = 91,717.56/x
  3. Step 3: Cross multiply
    167,167.80x = 230,692.14 × 91,717.56
  4. Step 4: Simplify right side
    167,167.80x = 21,158,520,191.98
  5. Step 5: Solve for x
    x = 21,158,520,191.98/167,167.80
  6. Step 6: Final answer
    x = 126,570.55

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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.