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Finding the Fourth Proportional to 79,885.13, 119,807.13 and 23,711.96

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Solution

The fourth proportional to 79,885.13, 119,807.13 and 23,711.96 is: 35,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,885.13 : 119,807.13 = 23,711.96 : x
  2. Step 2: Convert to fraction form
    79,885.13/119,807.13 = 23,711.96/x
  3. Step 3: Cross multiply
    79,885.13x = 119,807.13 × 23,711.96
  4. Step 4: Simplify right side
    79,885.13x = 2,840,861,874.27
  5. Step 5: Solve for x
    x = 2,840,861,874.27/79,885.13
  6. Step 6: Final answer
    x = 35,561.84

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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.