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Finding the Fourth Proportional to 73,601.69, 110,326.80 and 29,259.86

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Solution

The fourth proportional to 73,601.69, 110,326.80 and 29,259.86 is: 43,859.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,601.69 : 110,326.80 = 29,259.86 : x
  2. Step 2: Convert to fraction form
    73,601.69/110,326.80 = 29,259.86/x
  3. Step 3: Cross multiply
    73,601.69x = 110,326.80 × 29,259.86
  4. Step 4: Simplify right side
    73,601.69x = 3,228,146,722.25
  5. Step 5: Solve for x
    x = 3,228,146,722.25/73,601.69
  6. Step 6: Final answer
    x = 43,859.68

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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.