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Finding the Fourth Proportional to 199,079.52, 274,729.70 and 109,655.52

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Solution

The fourth proportional to 199,079.52, 274,729.70 and 109,655.52 is: 151,324.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,079.52 : 274,729.70 = 109,655.52 : x
  2. Step 2: Convert to fraction form
    199,079.52/274,729.70 = 109,655.52/x
  3. Step 3: Cross multiply
    199,079.52x = 274,729.70 × 109,655.52
  4. Step 4: Simplify right side
    199,079.52x = 30,125,628,112.94
  5. Step 5: Solve for x
    x = 30,125,628,112.94/199,079.52
  6. Step 6: Final answer
    x = 151,324.60

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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.