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Finding the Fourth Proportional to 179,778.69, 269,597.94 and 67,397.64

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Solution

The fourth proportional to 179,778.69, 269,597.94 and 67,397.64 is: 101,070.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,778.69 : 269,597.94 = 67,397.64 : x
  2. Step 2: Convert to fraction form
    179,778.69/269,597.94 = 67,397.64/x
  3. Step 3: Cross multiply
    179,778.69x = 269,597.94 × 67,397.64
  4. Step 4: Simplify right side
    179,778.69x = 18,170,264,904.86
  5. Step 5: Solve for x
    x = 18,170,264,904.86/179,778.69
  6. Step 6: Final answer
    x = 101,070.18

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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.