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Finding the Fourth Proportional to 222,470.55, 333,557.56 and 115,591.86

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Solution

The fourth proportional to 222,470.55, 333,557.56 and 115,591.86 is: 173,310.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,470.55 : 333,557.56 = 115,591.86 : x
  2. Step 2: Convert to fraction form
    222,470.55/333,557.56 = 115,591.86/x
  3. Step 3: Cross multiply
    222,470.55x = 333,557.56 × 115,591.86
  4. Step 4: Simplify right side
    222,470.55x = 38,556,538,777.46
  5. Step 5: Solve for x
    x = 38,556,538,777.46/222,470.55
  6. Step 6: Final answer
    x = 173,310.75

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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.