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Finding the Fourth Proportional to 73,691.88, 110,561.19 and 26,305.96

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Solution

The fourth proportional to 73,691.88, 110,561.19 and 26,305.96 is: 39,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,691.88 : 110,561.19 = 26,305.96 : x
  2. Step 2: Convert to fraction form
    73,691.88/110,561.19 = 26,305.96/x
  3. Step 3: Cross multiply
    73,691.88x = 110,561.19 × 26,305.96
  4. Step 4: Simplify right side
    73,691.88x = 2,908,418,051.69
  5. Step 5: Solve for x
    x = 2,908,418,051.69/73,691.88
  6. Step 6: Final answer
    x = 39,467.28

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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.