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Finding the Fourth Proportional to 127,694.56, 176,170.52 and 73,959.96

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Solution

The fourth proportional to 127,694.56, 176,170.52 and 73,959.96 is: 102,036.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,694.56 : 176,170.52 = 73,959.96 : x
  2. Step 2: Convert to fraction form
    127,694.56/176,170.52 = 73,959.96/x
  3. Step 3: Cross multiply
    127,694.56x = 176,170.52 × 73,959.96
  4. Step 4: Simplify right side
    127,694.56x = 13,029,564,612.38
  5. Step 5: Solve for x
    x = 13,029,564,612.38/127,694.56
  6. Step 6: Final answer
    x = 102,036.96

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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.