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Finding the Fourth Proportional to 100,997.52, 151,502.48 and 41,837.82

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Solution

The fourth proportional to 100,997.52, 151,502.48 and 41,837.82 is: 62,759.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,997.52 : 151,502.48 = 41,837.82 : x
  2. Step 2: Convert to fraction form
    100,997.52/151,502.48 = 41,837.82/x
  3. Step 3: Cross multiply
    100,997.52x = 151,502.48 × 41,837.82
  4. Step 4: Simplify right side
    100,997.52x = 6,338,533,487.79
  5. Step 5: Solve for x
    x = 6,338,533,487.79/100,997.52
  6. Step 6: Final answer
    x = 62,759.30

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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.