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Finding the Fourth Proportional to 167,919.60, 251,853.84 and 55,604.34

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Solution

The fourth proportional to 167,919.60, 251,853.84 and 55,604.34 is: 83,398.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,919.60 : 251,853.84 = 55,604.34 : x
  2. Step 2: Convert to fraction form
    167,919.60/251,853.84 = 55,604.34/x
  3. Step 3: Cross multiply
    167,919.60x = 251,853.84 × 55,604.34
  4. Step 4: Simplify right side
    167,919.60x = 14,004,166,549.67
  5. Step 5: Solve for x
    x = 14,004,166,549.67/167,919.60
  6. Step 6: Final answer
    x = 83,398.05

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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.