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Finding the Fourth Proportional to 293,447.73, 440,171.60 and 83,087.49

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Solution

The fourth proportional to 293,447.73, 440,171.60 and 83,087.49 is: 124,631.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,447.73 : 440,171.60 = 83,087.49 : x
  2. Step 2: Convert to fraction form
    293,447.73/440,171.60 = 83,087.49/x
  3. Step 3: Cross multiply
    293,447.73x = 440,171.60 × 83,087.49
  4. Step 4: Simplify right side
    293,447.73x = 36,572,753,413.28
  5. Step 5: Solve for x
    x = 36,572,753,413.28/293,447.73
  6. Step 6: Final answer
    x = 124,631.24

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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.