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Finding the Fourth Proportional to 234,303.85, 323,338.86 and 126,874.20

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Solution

The fourth proportional to 234,303.85, 323,338.86 and 126,874.20 is: 175,086.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,303.85 : 323,338.86 = 126,874.20 : x
  2. Step 2: Convert to fraction form
    234,303.85/323,338.86 = 126,874.20/x
  3. Step 3: Cross multiply
    234,303.85x = 323,338.86 × 126,874.20
  4. Step 4: Simplify right side
    234,303.85x = 41,023,359,191.41
  5. Step 5: Solve for x
    x = 41,023,359,191.41/234,303.85
  6. Step 6: Final answer
    x = 175,086.15

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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.