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Finding the Fourth Proportional to 222,540.42, 333,826.02 and 89,420.83

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Solution

The fourth proportional to 222,540.42, 333,826.02 and 89,420.83 is: 134,137.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,540.42 : 333,826.02 = 89,420.83 : x
  2. Step 2: Convert to fraction form
    222,540.42/333,826.02 = 89,420.83/x
  3. Step 3: Cross multiply
    222,540.42x = 333,826.02 × 89,420.83
  4. Step 4: Simplify right side
    222,540.42x = 29,850,999,784.00
  5. Step 5: Solve for x
    x = 29,850,999,784.00/222,540.42
  6. Step 6: Final answer
    x = 134,137.43

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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.