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Finding the Fourth Proportional to 167,446.20, 251,169.30 and 149,075.40

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Solution

The fourth proportional to 167,446.20, 251,169.30 and 149,075.40 is: 223,613.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,446.20 : 251,169.30 = 149,075.40 : x
  2. Step 2: Convert to fraction form
    167,446.20/251,169.30 = 149,075.40/x
  3. Step 3: Cross multiply
    167,446.20x = 251,169.30 × 149,075.40
  4. Step 4: Simplify right side
    167,446.20x = 37,443,163,865.22
  5. Step 5: Solve for x
    x = 37,443,163,865.22/167,446.20
  6. Step 6: Final answer
    x = 223,613.10

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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.