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Finding the Fourth Proportional to 222,537.30, 333,477.90 and 189,076.20

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Solution

The fourth proportional to 222,537.30, 333,477.90 and 189,076.20 is: 283,335.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,537.30 : 333,477.90 = 189,076.20 : x
  2. Step 2: Convert to fraction form
    222,537.30/333,477.90 = 189,076.20/x
  3. Step 3: Cross multiply
    222,537.30x = 333,477.90 × 189,076.20
  4. Step 4: Simplify right side
    222,537.30x = 63,052,734,115.98
  5. Step 5: Solve for x
    x = 63,052,734,115.98/222,537.30
  6. Step 6: Final answer
    x = 283,335.58

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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.