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Finding the Fourth Proportional to 86,524.22, 129,793.88 and 24,194.90

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Solution

The fourth proportional to 86,524.22, 129,793.88 and 24,194.90 is: 36,294.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,524.22 : 129,793.88 = 24,194.90 : x
  2. Step 2: Convert to fraction form
    86,524.22/129,793.88 = 24,194.90/x
  3. Step 3: Cross multiply
    86,524.22x = 129,793.88 × 24,194.90
  4. Step 4: Simplify right side
    86,524.22x = 3,140,349,358.73
  5. Step 5: Solve for x
    x = 3,140,349,358.73/86,524.22
  6. Step 6: Final answer
    x = 36,294.46

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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.