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Finding the Fourth Proportional to 73,032.66, 100,789.68 and 41,189.94

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Solution

The fourth proportional to 73,032.66, 100,789.68 and 41,189.94 is: 56,844.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,032.66 : 100,789.68 = 41,189.94 : x
  2. Step 2: Convert to fraction form
    73,032.66/100,789.68 = 41,189.94/x
  3. Step 3: Cross multiply
    73,032.66x = 100,789.68 × 41,189.94
  4. Step 4: Simplify right side
    73,032.66x = 4,151,520,871.82
  5. Step 5: Solve for x
    x = 4,151,520,871.82/73,032.66
  6. Step 6: Final answer
    x = 56,844.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.