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Finding the Fourth Proportional to 73,688.49, 101,691.77 and 43,481.16

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Solution

The fourth proportional to 73,688.49, 101,691.77 and 43,481.16 is: 60,004.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,688.49 : 101,691.77 = 43,481.16 : x
  2. Step 2: Convert to fraction form
    73,688.49/101,691.77 = 43,481.16/x
  3. Step 3: Cross multiply
    73,688.49x = 101,691.77 × 43,481.16
  4. Step 4: Simplify right side
    73,688.49x = 4,421,675,904.65
  5. Step 5: Solve for x
    x = 4,421,675,904.65/73,688.49
  6. Step 6: Final answer
    x = 60,004.97

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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.