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Finding the Fourth Proportional to 179,699.31, 269,625.51 and 67,433.31

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Solution

The fourth proportional to 179,699.31, 269,625.51 and 67,433.31 is: 101,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,699.31 : 269,625.51 = 67,433.31 : x
  2. Step 2: Convert to fraction form
    179,699.31/269,625.51 = 67,433.31/x
  3. Step 3: Cross multiply
    179,699.31x = 269,625.51 × 67,433.31
  4. Step 4: Simplify right side
    179,699.31x = 18,181,740,599.74
  5. Step 5: Solve for x
    x = 18,181,740,599.74/179,699.31
  6. Step 6: Final answer
    x = 101,178.69

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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.