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Finding the Fourth Proportional to 173,485.80, 239,452.20 and 108,993.60

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Solution

The fourth proportional to 173,485.80, 239,452.20 and 108,993.60 is: 150,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,485.80 : 239,452.20 = 108,993.60 : x
  2. Step 2: Convert to fraction form
    173,485.80/239,452.20 = 108,993.60/x
  3. Step 3: Cross multiply
    173,485.80x = 239,452.20 × 108,993.60
  4. Step 4: Simplify right side
    173,485.80x = 26,098,757,305.92
  5. Step 5: Solve for x
    x = 26,098,757,305.92/173,485.80
  6. Step 6: Final answer
    x = 150,437.43

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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.