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Finding the Fourth Proportional to 73,312.86, 101,171.76 and 41,481.12

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Solution

The fourth proportional to 73,312.86, 101,171.76 and 41,481.12 is: 57,243.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,312.86 : 101,171.76 = 41,481.12 : x
  2. Step 2: Convert to fraction form
    73,312.86/101,171.76 = 41,481.12/x
  3. Step 3: Cross multiply
    73,312.86x = 101,171.76 × 41,481.12
  4. Step 4: Simplify right side
    73,312.86x = 4,196,717,917.17
  5. Step 5: Solve for x
    x = 4,196,717,917.17/73,312.86
  6. Step 6: Final answer
    x = 57,243.95

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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.