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Finding the Fourth Proportional to 167,454.20, 251,181.30 and 164,538.20

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Solution

The fourth proportional to 167,454.20, 251,181.30 and 164,538.20 is: 246,807.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,454.20 : 251,181.30 = 164,538.20 : x
  2. Step 2: Convert to fraction form
    167,454.20/251,181.30 = 164,538.20/x
  3. Step 3: Cross multiply
    167,454.20x = 251,181.30 × 164,538.20
  4. Step 4: Simplify right side
    167,454.20x = 41,328,918,975.66
  5. Step 5: Solve for x
    x = 41,328,918,975.66/167,454.20
  6. Step 6: Final answer
    x = 246,807.30

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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.