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Finding the Fourth Proportional to 67,310.49, 100,965.29 and 32,143.53

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Solution

The fourth proportional to 67,310.49, 100,965.29 and 32,143.53 is: 48,215.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,310.49 : 100,965.29 = 32,143.53 : x
  2. Step 2: Convert to fraction form
    67,310.49/100,965.29 = 32,143.53/x
  3. Step 3: Cross multiply
    67,310.49x = 100,965.29 × 32,143.53
  4. Step 4: Simplify right side
    67,310.49x = 3,245,381,045.98
  5. Step 5: Solve for x
    x = 3,245,381,045.98/67,310.49
  6. Step 6: Final answer
    x = 48,215.08

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.