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Finding the Fourth Proportional to 67,412.31, 101,118.51 and 27,958.83

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Solution

The fourth proportional to 67,412.31, 101,118.51 and 27,958.83 is: 41,938.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,412.31 : 101,118.51 = 27,958.83 : x
  2. Step 2: Convert to fraction form
    67,412.31/101,118.51 = 27,958.83/x
  3. Step 3: Cross multiply
    67,412.31x = 101,118.51 × 27,958.83
  4. Step 4: Simplify right side
    67,412.31x = 2,827,155,230.94
  5. Step 5: Solve for x
    x = 2,827,155,230.94/67,412.31
  6. Step 6: Final answer
    x = 41,938.26

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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.