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Finding the Fourth Proportional to 222,531.79, 333,792.97 and 54,052.90

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Solution

The fourth proportional to 222,531.79, 333,792.97 and 54,052.90 is: 81,078.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,531.79 : 333,792.97 = 54,052.90 : x
  2. Step 2: Convert to fraction form
    222,531.79/333,792.97 = 54,052.90/x
  3. Step 3: Cross multiply
    222,531.79x = 333,792.97 × 54,052.90
  4. Step 4: Simplify right side
    222,531.79x = 18,042,478,028.11
  5. Step 5: Solve for x
    x = 18,042,478,028.11/222,531.79
  6. Step 6: Final answer
    x = 81,078.20

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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.