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Finding the Fourth Proportional to 221,242.75, 331,864.31 and 94,800.97

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Solution

The fourth proportional to 221,242.75, 331,864.31 and 94,800.97 is: 142,201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,242.75 : 331,864.31 = 94,800.97 : x
  2. Step 2: Convert to fraction form
    221,242.75/331,864.31 = 94,800.97/x
  3. Step 3: Cross multiply
    221,242.75x = 331,864.31 × 94,800.97
  4. Step 4: Simplify right side
    221,242.75x = 31,461,058,496.38
  5. Step 5: Solve for x
    x = 31,461,058,496.38/221,242.75
  6. Step 6: Final answer
    x = 142,201.53

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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.