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Finding the Fourth Proportional to 144,329.40, 199,166.52 and 79,794.87

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Solution

The fourth proportional to 144,329.40, 199,166.52 and 79,794.87 is: 110,112.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,329.40 : 199,166.52 = 79,794.87 : x
  2. Step 2: Convert to fraction form
    144,329.40/199,166.52 = 79,794.87/x
  3. Step 3: Cross multiply
    144,329.40x = 199,166.52 × 79,794.87
  4. Step 4: Simplify right side
    144,329.40x = 15,892,467,524.44
  5. Step 5: Solve for x
    x = 15,892,467,524.44/144,329.40
  6. Step 6: Final answer
    x = 110,112.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.