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Finding the Fourth Proportional to 122,997.41, 169,713.87 and 69,270.92

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Solution

The fourth proportional to 122,997.41, 169,713.87 and 69,270.92 is: 95,581.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,997.41 : 169,713.87 = 69,270.92 : x
  2. Step 2: Convert to fraction form
    122,997.41/169,713.87 = 69,270.92/x
  3. Step 3: Cross multiply
    122,997.41x = 169,713.87 × 69,270.92
  4. Step 4: Simplify right side
    122,997.41x = 11,756,235,063.09
  5. Step 5: Solve for x
    x = 11,756,235,063.09/122,997.41
  6. Step 6: Final answer
    x = 95,581.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.