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Finding the Fourth Proportional to 169,796.74, 254,680.34 and 57,474.50

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Solution

The fourth proportional to 169,796.74, 254,680.34 and 57,474.50 is: 86,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,796.74 : 254,680.34 = 57,474.50 : x
  2. Step 2: Convert to fraction form
    169,796.74/254,680.34 = 57,474.50/x
  3. Step 3: Cross multiply
    169,796.74x = 254,680.34 × 57,474.50
  4. Step 4: Simplify right side
    169,796.74x = 14,637,625,201.33
  5. Step 5: Solve for x
    x = 14,637,625,201.33/169,796.74
  6. Step 6: Final answer
    x = 86,206.75

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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.