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Finding the Fourth Proportional to 234,454.56, 351,680.67 and 84,694.74

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Solution

The fourth proportional to 234,454.56, 351,680.67 and 84,694.74 is: 127,041.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,454.56 : 351,680.67 = 84,694.74 : x
  2. Step 2: Convert to fraction form
    234,454.56/351,680.67 = 84,694.74/x
  3. Step 3: Cross multiply
    234,454.56x = 351,680.67 × 84,694.74
  4. Step 4: Simplify right side
    234,454.56x = 29,785,502,908.68
  5. Step 5: Solve for x
    x = 29,785,502,908.68/234,454.56
  6. Step 6: Final answer
    x = 127,041.69

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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.