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Finding the Fourth Proportional to 167,507.67, 251,267.41 and 53,658.95

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Solution

The fourth proportional to 167,507.67, 251,267.41 and 53,658.95 is: 80,490.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,507.67 : 251,267.41 = 53,658.95 : x
  2. Step 2: Convert to fraction form
    167,507.67/251,267.41 = 53,658.95/x
  3. Step 3: Cross multiply
    167,507.67x = 251,267.41 × 53,658.95
  4. Step 4: Simplify right side
    167,507.67x = 13,482,744,200.56
  5. Step 5: Solve for x
    x = 13,482,744,200.56/167,507.67
  6. Step 6: Final answer
    x = 80,490.31

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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.