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Finding the Fourth Proportional to 173,542.88, 239,469.44 and 98,091.20

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Solution

The fourth proportional to 173,542.88, 239,469.44 and 98,091.20 is: 135,354.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,542.88 : 239,469.44 = 98,091.20 : x
  2. Step 2: Convert to fraction form
    173,542.88/239,469.44 = 98,091.20/x
  3. Step 3: Cross multiply
    173,542.88x = 239,469.44 × 98,091.20
  4. Step 4: Simplify right side
    173,542.88x = 23,489,844,732.93
  5. Step 5: Solve for x
    x = 23,489,844,732.93/173,542.88
  6. Step 6: Final answer
    x = 135,354.70

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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.