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Finding the Fourth Proportional to 173,162.40, 259,524.90 and 84,224.40

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Solution

The fourth proportional to 173,162.40, 259,524.90 and 84,224.40 is: 126,230.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,162.40 : 259,524.90 = 84,224.40 : x
  2. Step 2: Convert to fraction form
    173,162.40/259,524.90 = 84,224.40/x
  3. Step 3: Cross multiply
    173,162.40x = 259,524.90 × 84,224.40
  4. Step 4: Simplify right side
    173,162.40x = 21,858,328,987.56
  5. Step 5: Solve for x
    x = 21,858,328,987.56/173,162.40
  6. Step 6: Final answer
    x = 126,230.23

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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.