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Finding the Fourth Proportional to 167,505.08, 251,203.59 and 55,158.59

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Solution

The fourth proportional to 167,505.08, 251,203.59 and 55,158.59 is: 82,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,505.08 : 251,203.59 = 55,158.59 : x
  2. Step 2: Convert to fraction form
    167,505.08/251,203.59 = 55,158.59/x
  3. Step 3: Cross multiply
    167,505.08x = 251,203.59 × 55,158.59
  4. Step 4: Simplify right side
    167,505.08x = 13,856,036,455.35
  5. Step 5: Solve for x
    x = 13,856,036,455.35/167,505.08
  6. Step 6: Final answer
    x = 82,720.10

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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.