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Finding the Fourth Proportional to 199,556.64, 275,387.60 and 110,132

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Solution

The fourth proportional to 199,556.64, 275,387.60 and 110,132 is: 151,981.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,556.64 : 275,387.60 = 110,132 : x
  2. Step 2: Convert to fraction form
    199,556.64/275,387.60 = 110,132/x
  3. Step 3: Cross multiply
    199,556.64x = 275,387.60 × 110,132
  4. Step 4: Simplify right side
    199,556.64x = 30,328,987,163.20
  5. Step 5: Solve for x
    x = 30,328,987,163.20/199,556.64
  6. Step 6: Final answer
    x = 151,981.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.