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Finding the Fourth Proportional to 73,715.93, 110,508.44 and 28,726.87

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Solution

The fourth proportional to 73,715.93, 110,508.44 and 28,726.87 is: 43,064.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,715.93 : 110,508.44 = 28,726.87 : x
  2. Step 2: Convert to fraction form
    73,715.93/110,508.44 = 28,726.87/x
  3. Step 3: Cross multiply
    73,715.93x = 110,508.44 × 28,726.87
  4. Step 4: Simplify right side
    73,715.93x = 3,174,561,169.88
  5. Step 5: Solve for x
    x = 3,174,561,169.88/73,715.93
  6. Step 6: Final answer
    x = 43,064.79

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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.