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Finding the Fourth Proportional to 234,230.73, 323,238.52 and 126,800.76

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Solution

The fourth proportional to 234,230.73, 323,238.52 and 126,800.76 is: 174,985.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,230.73 : 323,238.52 = 126,800.76 : x
  2. Step 2: Convert to fraction form
    234,230.73/323,238.52 = 126,800.76/x
  3. Step 3: Cross multiply
    234,230.73x = 323,238.52 × 126,800.76
  4. Step 4: Simplify right side
    234,230.73x = 40,986,890,892.42
  5. Step 5: Solve for x
    x = 40,986,890,892.42/234,230.73
  6. Step 6: Final answer
    x = 174,985.11

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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.