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Finding the Fourth Proportional to 234,632.34, 351,876.15 and 84,854.70

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Solution

The fourth proportional to 234,632.34, 351,876.15 and 84,854.70 is: 127,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,632.34 : 351,876.15 = 84,854.70 : x
  2. Step 2: Convert to fraction form
    234,632.34/351,876.15 = 84,854.70/x
  3. Step 3: Cross multiply
    234,632.34x = 351,876.15 × 84,854.70
  4. Step 4: Simplify right side
    234,632.34x = 29,858,345,145.41
  5. Step 5: Solve for x
    x = 29,858,345,145.41/234,632.34
  6. Step 6: Final answer
    x = 127,255.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.