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Finding the Fourth Proportional to 74,543.69, 111,791.85 and 24,614.48

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Solution

The fourth proportional to 74,543.69, 111,791.85 and 24,614.48 is: 36,913.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,543.69 : 111,791.85 = 24,614.48 : x
  2. Step 2: Convert to fraction form
    74,543.69/111,791.85 = 24,614.48/x
  3. Step 3: Cross multiply
    74,543.69x = 111,791.85 × 24,614.48
  4. Step 4: Simplify right side
    74,543.69x = 2,751,698,443.16
  5. Step 5: Solve for x
    x = 2,751,698,443.16/74,543.69
  6. Step 6: Final answer
    x = 36,913.90

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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.