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Finding the Fourth Proportional to 167,075.65, 250,555.12 and 67,209.94

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Solution

The fourth proportional to 167,075.65, 250,555.12 and 67,209.94 is: 100,791.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,075.65 : 250,555.12 = 67,209.94 : x
  2. Step 2: Convert to fraction form
    167,075.65/250,555.12 = 67,209.94/x
  3. Step 3: Cross multiply
    167,075.65x = 250,555.12 × 67,209.94
  4. Step 4: Simplify right side
    167,075.65x = 16,839,794,581.89
  5. Step 5: Solve for x
    x = 16,839,794,581.89/167,075.65
  6. Step 6: Final answer
    x = 100,791.44

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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.