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Finding the Fourth Proportional to 73,921.77, 110,886.30 and 36,005.85

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Solution

The fourth proportional to 73,921.77, 110,886.30 and 36,005.85 is: 54,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921.77 : 110,886.30 = 36,005.85 : x
  2. Step 2: Convert to fraction form
    73,921.77/110,886.30 = 36,005.85/x
  3. Step 3: Cross multiply
    73,921.77x = 110,886.30 × 36,005.85
  4. Step 4: Simplify right side
    73,921.77x = 3,992,555,484.86
  5. Step 5: Solve for x
    x = 3,992,555,484.86/73,921.77
  6. Step 6: Final answer
    x = 54,010.55

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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.