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Finding the Fourth Proportional to 234,192.55, 323,197.14 and 143,553.55

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Solution

The fourth proportional to 234,192.55, 323,197.14 and 143,553.55 is: 198,110.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,192.55 : 323,197.14 = 143,553.55 : x
  2. Step 2: Convert to fraction form
    234,192.55/323,197.14 = 143,553.55/x
  3. Step 3: Cross multiply
    234,192.55x = 323,197.14 × 143,553.55
  4. Step 4: Simplify right side
    234,192.55x = 46,396,096,796.85
  5. Step 5: Solve for x
    x = 46,396,096,796.85/234,192.55
  6. Step 6: Final answer
    x = 198,110.90

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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.