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Finding the Fourth Proportional to 234,034.68, 322,966.88 and 126,604.45

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Solution

The fourth proportional to 234,034.68, 322,966.88 and 126,604.45 is: 174,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,034.68 : 322,966.88 = 126,604.45 : x
  2. Step 2: Convert to fraction form
    234,034.68/322,966.88 = 126,604.45/x
  3. Step 3: Cross multiply
    234,034.68x = 322,966.88 × 126,604.45
  4. Step 4: Simplify right side
    234,034.68x = 40,889,042,595.78
  5. Step 5: Solve for x
    x = 40,889,042,595.78/234,034.68
  6. Step 6: Final answer
    x = 174,713.60

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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.