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Finding the Fourth Proportional to 234,298.62, 323,331.62 and 126,868.95

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Solution

The fourth proportional to 234,298.62, 323,331.62 and 126,868.95 is: 175,078.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,298.62 : 323,331.62 = 126,868.95 : x
  2. Step 2: Convert to fraction form
    234,298.62/323,331.62 = 126,868.95/x
  3. Step 3: Cross multiply
    234,298.62x = 323,331.62 × 126,868.95
  4. Step 4: Simplify right side
    234,298.62x = 41,020,742,496.85
  5. Step 5: Solve for x
    x = 41,020,742,496.85/234,298.62
  6. Step 6: Final answer
    x = 175,078.89

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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.