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Finding the Fourth Proportional to 168,866.53, 253,589.57 and 149,933.95

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Solution

The fourth proportional to 168,866.53, 253,589.57 and 149,933.95 is: 225,158.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,866.53 : 253,589.57 = 149,933.95 : x
  2. Step 2: Convert to fraction form
    168,866.53/253,589.57 = 149,933.95/x
  3. Step 3: Cross multiply
    168,866.53x = 253,589.57 × 149,933.95
  4. Step 4: Simplify right side
    168,866.53x = 38,021,685,649.76
  5. Step 5: Solve for x
    x = 38,021,685,649.76/168,866.53
  6. Step 6: Final answer
    x = 225,158.21

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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.