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Finding the Fourth Proportional to 177,991.80, 267,246.90 and 108,007.80

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Solution

The fourth proportional to 177,991.80, 267,246.90 and 108,007.80 is: 162,168.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,991.80 : 267,246.90 = 108,007.80 : x
  2. Step 2: Convert to fraction form
    177,991.80/267,246.90 = 108,007.80/x
  3. Step 3: Cross multiply
    177,991.80x = 267,246.90 × 108,007.80
  4. Step 4: Simplify right side
    177,991.80x = 28,864,749,725.82
  5. Step 5: Solve for x
    x = 28,864,749,725.82/177,991.80
  6. Step 6: Final answer
    x = 162,168.99

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1.5x scale

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.