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Finding the Fourth Proportional to 144,350.22, 199,195.22 and 79,815.72

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Solution

The fourth proportional to 144,350.22, 199,195.22 and 79,815.72 is: 110,141.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,350.22 : 199,195.22 = 79,815.72 : x
  2. Step 2: Convert to fraction form
    144,350.22/199,195.22 = 79,815.72/x
  3. Step 3: Cross multiply
    144,350.22x = 199,195.22 × 79,815.72
  4. Step 4: Simplify right side
    144,350.22x = 15,898,910,104.40
  5. Step 5: Solve for x
    x = 15,898,910,104.40/144,350.22
  6. Step 6: Final answer
    x = 110,141.23

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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.