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Finding the Fourth Proportional to 267,393.42, 400,820.21 and 167,623.70

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Solution

The fourth proportional to 267,393.42, 400,820.21 and 167,623.70 is: 251,266.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,393.42 : 400,820.21 = 167,623.70 : x
  2. Step 2: Convert to fraction form
    267,393.42/400,820.21 = 167,623.70/x
  3. Step 3: Cross multiply
    267,393.42x = 400,820.21 × 167,623.70
  4. Step 4: Simplify right side
    267,393.42x = 67,186,964,421.35
  5. Step 5: Solve for x
    x = 67,186,964,421.35/267,393.42
  6. Step 6: Final answer
    x = 251,266.33

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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.