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Finding the Fourth Proportional to 234,188.55, 323,191.62 and 143,549.55

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Solution

The fourth proportional to 234,188.55, 323,191.62 and 143,549.55 is: 198,105.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,188.55 : 323,191.62 = 143,549.55 : x
  2. Step 2: Convert to fraction form
    234,188.55/323,191.62 = 143,549.55/x
  3. Step 3: Cross multiply
    234,188.55x = 323,191.62 × 143,549.55
  4. Step 4: Simplify right side
    234,188.55x = 46,394,011,614.77
  5. Step 5: Solve for x
    x = 46,394,011,614.77/234,188.55
  6. Step 6: Final answer
    x = 198,105.38

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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.