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Finding the Fourth Proportional to 167,872.20, 251,808.30 and 149,501.40

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Solution

The fourth proportional to 167,872.20, 251,808.30 and 149,501.40 is: 224,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,872.20 : 251,808.30 = 149,501.40 : x
  2. Step 2: Convert to fraction form
    167,872.20/251,808.30 = 149,501.40/x
  3. Step 3: Cross multiply
    167,872.20x = 251,808.30 × 149,501.40
  4. Step 4: Simplify right side
    167,872.20x = 37,645,693,381.62
  5. Step 5: Solve for x
    x = 37,645,693,381.62/167,872.20
  6. Step 6: Final answer
    x = 224,252.10

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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.