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Finding the Fourth Proportional to 167,757.60, 251,653.88 and 53,876.64

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Solution

The fourth proportional to 167,757.60, 251,653.88 and 53,876.64 is: 80,820.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,757.60 : 251,653.88 = 53,876.64 : x
  2. Step 2: Convert to fraction form
    167,757.60/251,653.88 = 53,876.64/x
  3. Step 3: Cross multiply
    167,757.60x = 251,653.88 × 53,876.64
  4. Step 4: Simplify right side
    167,757.60x = 13,558,266,272.70
  5. Step 5: Solve for x
    x = 13,558,266,272.70/167,757.60
  6. Step 6: Final answer
    x = 80,820.58

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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.