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Finding the Fourth Proportional to 250,462.26, 375,697.50 and 72,979.02

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Solution

The fourth proportional to 250,462.26, 375,697.50 and 72,979.02 is: 109,469.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,462.26 : 375,697.50 = 72,979.02 : x
  2. Step 2: Convert to fraction form
    250,462.26/375,697.50 = 72,979.02/x
  3. Step 3: Cross multiply
    250,462.26x = 375,697.50 × 72,979.02
  4. Step 4: Simplify right side
    250,462.26x = 27,418,035,092.78
  5. Step 5: Solve for x
    x = 27,418,035,092.78/250,462.26
  6. Step 6: Final answer
    x = 109,469.73

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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.