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Finding the Fourth Proportional to 267,384.70, 401,077.05 and 167,851.90

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Solution

The fourth proportional to 267,384.70, 401,077.05 and 167,851.90 is: 251,777.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,384.70 : 401,077.05 = 167,851.90 : x
  2. Step 2: Convert to fraction form
    267,384.70/401,077.05 = 167,851.90/x
  3. Step 3: Cross multiply
    267,384.70x = 401,077.05 × 167,851.90
  4. Step 4: Simplify right side
    267,384.70x = 67,321,544,888.90
  5. Step 5: Solve for x
    x = 67,321,544,888.90/267,384.70
  6. Step 6: Final answer
    x = 251,777.85

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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.