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Finding the Fourth Proportional to 127,662.75, 191,581.62 and 44,556.75

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Solution

The fourth proportional to 127,662.75, 191,581.62 and 44,556.75 is: 66,865.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,662.75 : 191,581.62 = 44,556.75 : x
  2. Step 2: Convert to fraction form
    127,662.75/191,581.62 = 44,556.75/x
  3. Step 3: Cross multiply
    127,662.75x = 191,581.62 × 44,556.75
  4. Step 4: Simplify right side
    127,662.75x = 8,536,254,346.94
  5. Step 5: Solve for x
    x = 8,536,254,346.94/127,662.75
  6. Step 6: Final answer
    x = 66,865.66

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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.