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Finding the Fourth Proportional to 198,243.96, 273,510 and 113,300.88

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Solution

The fourth proportional to 198,243.96, 273,510 and 113,300.88 is: 156,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,243.96 : 273,510 = 113,300.88 : x
  2. Step 2: Convert to fraction form
    198,243.96/273,510 = 113,300.88/x
  3. Step 3: Cross multiply
    198,243.96x = 273,510 × 113,300.88
  4. Step 4: Simplify right side
    198,243.96x = 30,988,923,688.80
  5. Step 5: Solve for x
    x = 30,988,923,688.80/198,243.96
  6. Step 6: Final answer
    x = 156,317.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.