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Finding the Fourth Proportional to 234,296.85, 323,329.20 and 126,867.20

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Solution

The fourth proportional to 234,296.85, 323,329.20 and 126,867.20 is: 175,076.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,296.85 : 323,329.20 = 126,867.20 : x
  2. Step 2: Convert to fraction form
    234,296.85/323,329.20 = 126,867.20/x
  3. Step 3: Cross multiply
    234,296.85x = 323,329.20 × 126,867.20
  4. Step 4: Simplify right side
    234,296.85x = 41,019,870,282.24
  5. Step 5: Solve for x
    x = 41,019,870,282.24/234,296.85
  6. Step 6: Final answer
    x = 175,076.49

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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.