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Finding the Fourth Proportional to 198,552.73, 297,497.39 and 123,487.60

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Solution

The fourth proportional to 198,552.73, 297,497.39 and 123,487.60 is: 185,025.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,552.73 : 297,497.39 = 123,487.60 : x
  2. Step 2: Convert to fraction form
    198,552.73/297,497.39 = 123,487.60/x
  3. Step 3: Cross multiply
    198,552.73x = 297,497.39 × 123,487.60
  4. Step 4: Simplify right side
    198,552.73x = 36,737,238,272.86
  5. Step 5: Solve for x
    x = 36,737,238,272.86/198,552.73
  6. Step 6: Final answer
    x = 185,025.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.