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Finding the Fourth Proportional to 222,490.47, 333,735.51 and 89,370.75

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Solution

The fourth proportional to 222,490.47, 333,735.51 and 89,370.75 is: 134,056.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,490.47 : 333,735.51 = 89,370.75 : x
  2. Step 2: Convert to fraction form
    222,490.47/333,735.51 = 89,370.75/x
  3. Step 3: Cross multiply
    222,490.47x = 333,735.51 × 89,370.75
  4. Step 4: Simplify right side
    222,490.47x = 29,826,192,830.33
  5. Step 5: Solve for x
    x = 29,826,192,830.33/222,490.47
  6. Step 6: Final answer
    x = 134,056.05

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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.