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Finding the Fourth Proportional to 179,778.63, 269,597.84 and 67,397.59

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Solution

The fourth proportional to 179,778.63, 269,597.84 and 67,397.59 is: 101,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,778.63 : 269,597.84 = 67,397.59 : x
  2. Step 2: Convert to fraction form
    179,778.63/269,597.84 = 67,397.59/x
  3. Step 3: Cross multiply
    179,778.63x = 269,597.84 × 67,397.59
  4. Step 4: Simplify right side
    179,778.63x = 18,170,244,685.21
  5. Step 5: Solve for x
    x = 18,170,244,685.21/179,778.63
  6. Step 6: Final answer
    x = 101,070.10

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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.