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Finding the Fourth Proportional to 222,466.30, 333,696.62 and 53,988

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Solution

The fourth proportional to 222,466.30, 333,696.62 and 53,988 is: 80,981.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,466.30 : 333,696.62 = 53,988 : x
  2. Step 2: Convert to fraction form
    222,466.30/333,696.62 = 53,988/x
  3. Step 3: Cross multiply
    222,466.30x = 333,696.62 × 53,988
  4. Step 4: Simplify right side
    222,466.30x = 18,015,613,120.56
  5. Step 5: Solve for x
    x = 18,015,613,120.56/222,466.30
  6. Step 6: Final answer
    x = 80,981.31

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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.