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Finding the Fourth Proportional to 295,401.35, 407,651.78 and 161,265.35

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Solution

The fourth proportional to 295,401.35, 407,651.78 and 161,265.35 is: 222,545.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,401.35 : 407,651.78 = 161,265.35 : x
  2. Step 2: Convert to fraction form
    295,401.35/407,651.78 = 161,265.35/x
  3. Step 3: Cross multiply
    295,401.35x = 407,651.78 × 161,265.35
  4. Step 4: Simplify right side
    295,401.35x = 65,740,105,344.73
  5. Step 5: Solve for x
    x = 65,740,105,344.73/295,401.35
  6. Step 6: Final answer
    x = 222,545.04

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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.