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Finding the Fourth Proportional to 73,957.10, 110,935.65 and 51,321.65

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Solution

The fourth proportional to 73,957.10, 110,935.65 and 51,321.65 is: 76,982.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,957.10 : 110,935.65 = 51,321.65 : x
  2. Step 2: Convert to fraction form
    73,957.10/110,935.65 = 51,321.65/x
  3. Step 3: Cross multiply
    73,957.10x = 110,935.65 × 51,321.65
  4. Step 4: Simplify right side
    73,957.10x = 5,693,400,601.82
  5. Step 5: Solve for x
    x = 5,693,400,601.82/73,957.10
  6. Step 6: Final answer
    x = 76,982.48

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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.