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Finding the Fourth Proportional to 274,550.05, 411,662.31 and 84,954.28

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Solution

The fourth proportional to 274,550.05, 411,662.31 and 84,954.28 is: 127,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,550.05 : 411,662.31 = 84,954.28 : x
  2. Step 2: Convert to fraction form
    274,550.05/411,662.31 = 84,954.28/x
  3. Step 3: Cross multiply
    274,550.05x = 411,662.31 × 84,954.28
  4. Step 4: Simplify right side
    274,550.05x = 34,972,475,149.19
  5. Step 5: Solve for x
    x = 34,972,475,149.19/274,550.05
  6. Step 6: Final answer
    x = 127,381.06

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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.