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Finding the Fourth Proportional to 173,165.20, 259,747.80 and 137,735.80

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Solution

The fourth proportional to 173,165.20, 259,747.80 and 137,735.80 is: 206,603.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,165.20 : 259,747.80 = 137,735.80 : x
  2. Step 2: Convert to fraction form
    173,165.20/259,747.80 = 137,735.80/x
  3. Step 3: Cross multiply
    173,165.20x = 259,747.80 × 137,735.80
  4. Step 4: Simplify right side
    173,165.20x = 35,776,571,031.24
  5. Step 5: Solve for x
    x = 35,776,571,031.24/173,165.20
  6. Step 6: Final answer
    x = 206,603.70

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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.