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Finding the Fourth Proportional to 222,338, 333,541.56 and 74,628.56

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Solution

The fourth proportional to 222,338, 333,541.56 and 74,628.56 is: 111,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,338 : 333,541.56 = 74,628.56 : x
  2. Step 2: Convert to fraction form
    222,338/333,541.56 = 74,628.56/x
  3. Step 3: Cross multiply
    222,338x = 333,541.56 × 74,628.56
  4. Step 4: Simplify right side
    222,338x = 24,891,726,322.95
  5. Step 5: Solve for x
    x = 24,891,726,322.95/222,338
  6. Step 6: Final answer
    x = 111,954.44

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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.