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Finding the Fourth Proportional to 222,710.60, 333,635.18 and 138,504.44

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Solution

The fourth proportional to 222,710.60, 333,635.18 and 138,504.44 is: 207,488.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,710.60 : 333,635.18 = 138,504.44 : x
  2. Step 2: Convert to fraction form
    222,710.60/333,635.18 = 138,504.44/x
  3. Step 3: Cross multiply
    222,710.60x = 333,635.18 × 138,504.44
  4. Step 4: Simplify right side
    222,710.60x = 46,209,953,770.20
  5. Step 5: Solve for x
    x = 46,209,953,770.20/222,710.60
  6. Step 6: Final answer
    x = 207,488.79

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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.