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Finding the Fourth Proportional to 127,660.62, 176,144.96 and 73,942.44

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Solution

The fourth proportional to 127,660.62, 176,144.96 and 73,942.44 is: 102,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,660.62 : 176,144.96 = 73,942.44 : x
  2. Step 2: Convert to fraction form
    127,660.62/176,144.96 = 73,942.44/x
  3. Step 3: Cross multiply
    127,660.62x = 176,144.96 × 73,942.44
  4. Step 4: Simplify right side
    127,660.62x = 13,024,587,660.41
  5. Step 5: Solve for x
    x = 13,024,587,660.41/127,660.62
  6. Step 6: Final answer
    x = 102,025.10

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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.