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Finding the Fourth Proportional to 198,199.44, 273,523.50 and 113,316.44

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Solution

The fourth proportional to 198,199.44, 273,523.50 and 113,316.44 is: 156,381.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,199.44 : 273,523.50 = 113,316.44 : x
  2. Step 2: Convert to fraction form
    198,199.44/273,523.50 = 113,316.44/x
  3. Step 3: Cross multiply
    198,199.44x = 273,523.50 × 113,316.44
  4. Step 4: Simplify right side
    198,199.44x = 30,994,707,908.72
  5. Step 5: Solve for x
    x = 30,994,707,908.72/198,199.44
  6. Step 6: Final answer
    x = 156,381.41

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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.