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Finding the Fourth Proportional to 371,748.60, 557,309.43 and 161,227.98

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Solution

The fourth proportional to 371,748.60, 557,309.43 and 161,227.98 is: 241,706.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,748.60 : 557,309.43 = 161,227.98 : x
  2. Step 2: Convert to fraction form
    371,748.60/557,309.43 = 161,227.98/x
  3. Step 3: Cross multiply
    371,748.60x = 557,309.43 × 161,227.98
  4. Step 4: Simplify right side
    371,748.60x = 89,853,873,633.85
  5. Step 5: Solve for x
    x = 89,853,873,633.85/371,748.60
  6. Step 6: Final answer
    x = 241,706.02

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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.