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Finding the Fourth Proportional to 222,690.30, 333,966.33 and 89,500.38

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Solution

The fourth proportional to 222,690.30, 333,966.33 and 89,500.38 is: 134,222.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,690.30 : 333,966.33 = 89,500.38 : x
  2. Step 2: Convert to fraction form
    222,690.30/333,966.33 = 89,500.38/x
  3. Step 3: Cross multiply
    222,690.30x = 333,966.33 × 89,500.38
  4. Step 4: Simplify right side
    222,690.30x = 29,890,113,442.21
  5. Step 5: Solve for x
    x = 29,890,113,442.21/222,690.30
  6. Step 6: Final answer
    x = 134,222.79

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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.