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Finding the Fourth Proportional to 167,651.20, 251,476.84 and 42,992.20

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Solution

The fourth proportional to 167,651.20, 251,476.84 and 42,992.20 is: 64,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,651.20 : 251,476.84 = 42,992.20 : x
  2. Step 2: Convert to fraction form
    167,651.20/251,476.84 = 42,992.20/x
  3. Step 3: Cross multiply
    167,651.20x = 251,476.84 × 42,992.20
  4. Step 4: Simplify right side
    167,651.20x = 10,811,542,600.65
  5. Step 5: Solve for x
    x = 10,811,542,600.65/167,651.20
  6. Step 6: Final answer
    x = 64,488.31

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1.5x scale

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.