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Finding the Fourth Proportional to 144,697.98, 199,684.62 and 80,168.58

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Solution

The fourth proportional to 144,697.98, 199,684.62 and 80,168.58 is: 110,633.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,697.98 : 199,684.62 = 80,168.58 : x
  2. Step 2: Convert to fraction form
    144,697.98/199,684.62 = 80,168.58/x
  3. Step 3: Cross multiply
    144,697.98x = 199,684.62 × 80,168.58
  4. Step 4: Simplify right side
    144,697.98x = 16,008,432,433.24
  5. Step 5: Solve for x
    x = 16,008,432,433.24/144,697.98
  6. Step 6: Final answer
    x = 110,633.42

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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.