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Finding the Fourth Proportional to 74,310.96, 111,443.03 and 24,379.42

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Solution

The fourth proportional to 74,310.96, 111,443.03 and 24,379.42 is: 36,561.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,310.96 : 111,443.03 = 24,379.42 : x
  2. Step 2: Convert to fraction form
    74,310.96/111,443.03 = 24,379.42/x
  3. Step 3: Cross multiply
    74,310.96x = 111,443.03 × 24,379.42
  4. Step 4: Simplify right side
    74,310.96x = 2,716,916,434.44
  5. Step 5: Solve for x
    x = 2,716,916,434.44/74,310.96
  6. Step 6: Final answer
    x = 36,561.45

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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.