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Finding the Fourth Proportional to 144,249.69, 216,375.36 and 39,069.57

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Solution

The fourth proportional to 144,249.69, 216,375.36 and 39,069.57 is: 58,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,249.69 : 216,375.36 = 39,069.57 : x
  2. Step 2: Convert to fraction form
    144,249.69/216,375.36 = 39,069.57/x
  3. Step 3: Cross multiply
    144,249.69x = 216,375.36 × 39,069.57
  4. Step 4: Simplify right side
    144,249.69x = 8,453,692,273.80
  5. Step 5: Solve for x
    x = 8,453,692,273.80/144,249.69
  6. Step 6: Final answer
    x = 58,604.58

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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.