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Finding the Fourth Proportional to 448,227.16, 672,472.41 and 132,692.26

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Solution

The fourth proportional to 448,227.16, 672,472.41 and 132,692.26 is: 199,077.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,227.16 : 672,472.41 = 132,692.26 : x
  2. Step 2: Convert to fraction form
    448,227.16/672,472.41 = 132,692.26/x
  3. Step 3: Cross multiply
    448,227.16x = 672,472.41 × 132,692.26
  4. Step 4: Simplify right side
    448,227.16x = 89,231,883,870.55
  5. Step 5: Solve for x
    x = 89,231,883,870.55/448,227.16
  6. Step 6: Final answer
    x = 199,077.37

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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.