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Finding the Fourth Proportional to 169,572.26, 254,164.88 and 68,305.46

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Solution

The fourth proportional to 169,572.26, 254,164.88 and 68,305.46 is: 102,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,572.26 : 254,164.88 = 68,305.46 : x
  2. Step 2: Convert to fraction form
    169,572.26/254,164.88 = 68,305.46/x
  3. Step 3: Cross multiply
    169,572.26x = 254,164.88 × 68,305.46
  4. Step 4: Simplify right side
    169,572.26x = 17,360,847,944.18
  5. Step 5: Solve for x
    x = 17,360,847,944.18/169,572.26
  6. Step 6: Final answer
    x = 102,380.23

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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.