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Finding the Fourth Proportional to 169,292.45, 254,021.88 and 68,086.46

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Solution

The fourth proportional to 169,292.45, 254,021.88 and 68,086.46 is: 102,163.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,292.45 : 254,021.88 = 68,086.46 : x
  2. Step 2: Convert to fraction form
    169,292.45/254,021.88 = 68,086.46/x
  3. Step 3: Cross multiply
    169,292.45x = 254,021.88 × 68,086.46
  4. Step 4: Simplify right side
    169,292.45x = 17,295,449,301.64
  5. Step 5: Solve for x
    x = 17,295,449,301.64/169,292.45
  6. Step 6: Final answer
    x = 102,163.15

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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.