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Finding the Fourth Proportional to 169,738.32, 254,604.60 and 57,394.56

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Solution

The fourth proportional to 169,738.32, 254,604.60 and 57,394.56 is: 86,090.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,738.32 : 254,604.60 = 57,394.56 : x
  2. Step 2: Convert to fraction form
    169,738.32/254,604.60 = 57,394.56/x
  3. Step 3: Cross multiply
    169,738.32x = 254,604.60 × 57,394.56
  4. Step 4: Simplify right side
    169,738.32x = 14,612,918,990.98
  5. Step 5: Solve for x
    x = 14,612,918,990.98/169,738.32
  6. Step 6: Final answer
    x = 86,090.87

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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.