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Finding the Fourth Proportional to 167,656.36, 251,515.62 and 55,344.40

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Solution

The fourth proportional to 167,656.36, 251,515.62 and 55,344.40 is: 83,026.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,656.36 : 251,515.62 = 55,344.40 : x
  2. Step 2: Convert to fraction form
    167,656.36/251,515.62 = 55,344.40/x
  3. Step 3: Cross multiply
    167,656.36x = 251,515.62 × 55,344.40
  4. Step 4: Simplify right side
    167,656.36x = 13,919,981,079.53
  5. Step 5: Solve for x
    x = 13,919,981,079.53/167,656.36
  6. Step 6: Final answer
    x = 83,026.86

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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.