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Finding the Fourth Proportional to 169,846.56, 254,770.26 and 45,187.56

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Solution

The fourth proportional to 169,846.56, 254,770.26 and 45,187.56 is: 67,781.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,846.56 : 254,770.26 = 45,187.56 : x
  2. Step 2: Convert to fraction form
    169,846.56/254,770.26 = 45,187.56/x
  3. Step 3: Cross multiply
    169,846.56x = 254,770.26 × 45,187.56
  4. Step 4: Simplify right side
    169,846.56x = 11,512,446,409.97
  5. Step 5: Solve for x
    x = 11,512,446,409.97/169,846.56
  6. Step 6: Final answer
    x = 67,781.45

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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.