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Finding the Fourth Proportional to 222,338, 333,599.40 and 89,312.60

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Solution

The fourth proportional to 222,338, 333,599.40 and 89,312.60 is: 134,006.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,338 : 333,599.40 = 89,312.60 : x
  2. Step 2: Convert to fraction form
    222,338/333,599.40 = 89,312.60/x
  3. Step 3: Cross multiply
    222,338x = 333,599.40 × 89,312.60
  4. Step 4: Simplify right side
    222,338x = 29,794,629,772.44
  5. Step 5: Solve for x
    x = 29,794,629,772.44/222,338
  6. Step 6: Final answer
    x = 134,006.02

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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.