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Finding the Fourth Proportional to 73,814.10, 110,721.15 and 29,447.70

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Solution

The fourth proportional to 73,814.10, 110,721.15 and 29,447.70 is: 44,171.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,814.10 : 110,721.15 = 29,447.70 : x
  2. Step 2: Convert to fraction form
    73,814.10/110,721.15 = 29,447.70/x
  3. Step 3: Cross multiply
    73,814.10x = 110,721.15 × 29,447.70
  4. Step 4: Simplify right side
    73,814.10x = 3,260,483,208.86
  5. Step 5: Solve for x
    x = 3,260,483,208.86/73,814.10
  6. Step 6: Final answer
    x = 44,171.55

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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.