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Finding the Fourth Proportional to 73,001.66, 100,736.26 and 41,178.38

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Solution

The fourth proportional to 73,001.66, 100,736.26 and 41,178.38 is: 56,822.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,001.66 : 100,736.26 = 41,178.38 : x
  2. Step 2: Convert to fraction form
    73,001.66/100,736.26 = 41,178.38/x
  3. Step 3: Cross multiply
    73,001.66x = 100,736.26 × 41,178.38
  4. Step 4: Simplify right side
    73,001.66x = 4,148,155,387.43
  5. Step 5: Solve for x
    x = 4,148,155,387.43/73,001.66
  6. Step 6: Final answer
    x = 56,822.76

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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.