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Finding the Fourth Proportional to 198,266.75, 273,600.70 and 107,620.76

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Solution

The fourth proportional to 198,266.75, 273,600.70 and 107,620.76 is: 148,512.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,266.75 : 273,600.70 = 107,620.76 : x
  2. Step 2: Convert to fraction form
    198,266.75/273,600.70 = 107,620.76/x
  3. Step 3: Cross multiply
    198,266.75x = 273,600.70 × 107,620.76
  4. Step 4: Simplify right side
    198,266.75x = 29,445,115,270.53
  5. Step 5: Solve for x
    x = 29,445,115,270.53/198,266.75
  6. Step 6: Final answer
    x = 148,512.62

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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.