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Finding the Fourth Proportional to 169,504.42, 254,297.72 and 51,168.68

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Solution

The fourth proportional to 169,504.42, 254,297.72 and 51,168.68 is: 76,765.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,504.42 : 254,297.72 = 51,168.68 : x
  2. Step 2: Convert to fraction form
    169,504.42/254,297.72 = 51,168.68/x
  3. Step 3: Cross multiply
    169,504.42x = 254,297.72 × 51,168.68
  4. Step 4: Simplify right side
    169,504.42x = 13,012,078,659.41
  5. Step 5: Solve for x
    x = 13,012,078,659.41/169,504.42
  6. Step 6: Final answer
    x = 76,765.42

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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.