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Finding the Fourth Proportional to 363,667.26, 545,687.75 and 161,401.96

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Solution

The fourth proportional to 363,667.26, 545,687.75 and 161,401.96 is: 242,185.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,667.26 : 545,687.75 = 161,401.96 : x
  2. Step 2: Convert to fraction form
    363,667.26/545,687.75 = 161,401.96/x
  3. Step 3: Cross multiply
    363,667.26x = 545,687.75 × 161,401.96
  4. Step 4: Simplify right side
    363,667.26x = 88,075,070,226.76
  5. Step 5: Solve for x
    x = 88,075,070,226.76/363,667.26
  6. Step 6: Final answer
    x = 242,185.87

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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.