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Finding the Fourth Proportional to 172,630.20, 259,010.10 and 67,524.60

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Solution

The fourth proportional to 172,630.20, 259,010.10 and 67,524.60 is: 101,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,630.20 : 259,010.10 = 67,524.60 : x
  2. Step 2: Convert to fraction form
    172,630.20/259,010.10 = 67,524.60/x
  3. Step 3: Cross multiply
    172,630.20x = 259,010.10 × 67,524.60
  4. Step 4: Simplify right side
    172,630.20x = 17,489,553,398.46
  5. Step 5: Solve for x
    x = 17,489,553,398.46/172,630.20
  6. Step 6: Final answer
    x = 101,312.25

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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.