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Finding the Fourth Proportional to 198,655.60, 274,142.62 and 147,895.33

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Solution

The fourth proportional to 198,655.60, 274,142.62 and 147,895.33 is: 204,093.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,655.60 : 274,142.62 = 147,895.33 : x
  2. Step 2: Convert to fraction form
    198,655.60/274,142.62 = 147,895.33/x
  3. Step 3: Cross multiply
    198,655.60x = 274,142.62 × 147,895.33
  4. Step 4: Simplify right side
    198,655.60x = 40,544,413,251.96
  5. Step 5: Solve for x
    x = 40,544,413,251.96/198,655.60
  6. Step 6: Final answer
    x = 204,093.99

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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.