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Finding the Fourth Proportional to 144,272.92, 199,092.90 and 80,611.16

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Solution

The fourth proportional to 144,272.92, 199,092.90 and 80,611.16 is: 111,241.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,272.92 : 199,092.90 = 80,611.16 : x
  2. Step 2: Convert to fraction form
    144,272.92/199,092.90 = 80,611.16/x
  3. Step 3: Cross multiply
    144,272.92x = 199,092.90 × 80,611.16
  4. Step 4: Simplify right side
    144,272.92x = 16,049,109,616.76
  5. Step 5: Solve for x
    x = 16,049,109,616.76/144,272.92
  6. Step 6: Final answer
    x = 111,241.32

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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.