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Finding the Fourth Proportional to 31,306.99, 43,168.89 and 24,120.88

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Solution

The fourth proportional to 31,306.99, 43,168.89 and 24,120.88 is: 33,260.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.99 : 43,168.89 = 24,120.88 : x
  2. Step 2: Convert to fraction form
    31,306.99/43,168.89 = 24,120.88/x
  3. Step 3: Cross multiply
    31,306.99x = 43,168.89 × 24,120.88
  4. Step 4: Simplify right side
    31,306.99x = 1,041,271,615.42
  5. Step 5: Solve for x
    x = 1,041,271,615.42/31,306.99
  6. Step 6: Final answer
    x = 33,260.04

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.