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Finding the Fourth Proportional to 222,765.60, 333,856.80 and 89,536.80

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Solution

The fourth proportional to 222,765.60, 333,856.80 and 89,536.80 is: 134,188.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,765.60 : 333,856.80 = 89,536.80 : x
  2. Step 2: Convert to fraction form
    222,765.60/333,856.80 = 89,536.80/x
  3. Step 3: Cross multiply
    222,765.60x = 333,856.80 × 89,536.80
  4. Step 4: Simplify right side
    222,765.60x = 29,892,469,530.24
  5. Step 5: Solve for x
    x = 29,892,469,530.24/222,765.60
  6. Step 6: Final answer
    x = 134,188.00

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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.