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Finding the Fourth Proportional to 179,624.73, 269,290.98 and 67,242

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Solution

The fourth proportional to 179,624.73, 269,290.98 and 67,242 is: 100,808.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,624.73 : 269,290.98 = 67,242 : x
  2. Step 2: Convert to fraction form
    179,624.73/269,290.98 = 67,242/x
  3. Step 3: Cross multiply
    179,624.73x = 269,290.98 × 67,242
  4. Step 4: Simplify right side
    179,624.73x = 18,107,664,077.16
  5. Step 5: Solve for x
    x = 18,107,664,077.16/179,624.73
  6. Step 6: Final answer
    x = 100,808.30

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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.