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Finding the Fourth Proportional to 122,599.79, 169,183 and 68,887.07

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Solution

The fourth proportional to 122,599.79, 169,183 and 68,887.07 is: 95,061.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,599.79 : 169,183 = 68,887.07 : x
  2. Step 2: Convert to fraction form
    122,599.79/169,183 = 68,887.07/x
  3. Step 3: Cross multiply
    122,599.79x = 169,183 × 68,887.07
  4. Step 4: Simplify right side
    122,599.79x = 11,654,521,163.81
  5. Step 5: Solve for x
    x = 11,654,521,163.81/122,599.79
  6. Step 6: Final answer
    x = 95,061.51

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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.