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Finding the Fourth Proportional to 234,034.95, 322,967.25 and 126,604.71

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Solution

The fourth proportional to 234,034.95, 322,967.25 and 126,604.71 is: 174,713.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,034.95 : 322,967.25 = 126,604.71 : x
  2. Step 2: Convert to fraction form
    234,034.95/322,967.25 = 126,604.71/x
  3. Step 3: Cross multiply
    234,034.95x = 322,967.25 × 126,604.71
  4. Step 4: Simplify right side
    234,034.95x = 40,889,175,025.75
  5. Step 5: Solve for x
    x = 40,889,175,025.75/234,034.95
  6. Step 6: Final answer
    x = 174,713.97

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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.