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Finding the Fourth Proportional to 73,922.77, 110,887.80 and 36,006.85

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Solution

The fourth proportional to 73,922.77, 110,887.80 and 36,006.85 is: 54,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,922.77 : 110,887.80 = 36,006.85 : x
  2. Step 2: Convert to fraction form
    73,922.77/110,887.80 = 36,006.85/x
  3. Step 3: Cross multiply
    73,922.77x = 110,887.80 × 36,006.85
  4. Step 4: Simplify right side
    73,922.77x = 3,992,720,381.43
  5. Step 5: Solve for x
    x = 3,992,720,381.43/73,922.77
  6. Step 6: Final answer
    x = 54,012.05

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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.