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Finding the Fourth Proportional to 150,576.80, 207,798.24 and 82,600.40

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Solution

The fourth proportional to 150,576.80, 207,798.24 and 82,600.40 is: 113,989.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,576.80 : 207,798.24 = 82,600.40 : x
  2. Step 2: Convert to fraction form
    150,576.80/207,798.24 = 82,600.40/x
  3. Step 3: Cross multiply
    150,576.80x = 207,798.24 × 82,600.40
  4. Step 4: Simplify right side
    150,576.80x = 17,164,217,743.30
  5. Step 5: Solve for x
    x = 17,164,217,743.30/150,576.80
  6. Step 6: Final answer
    x = 113,989.79

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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.