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Finding the Fourth Proportional to 200,659.28, 276,912.92 and 110,023.52

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Solution

The fourth proportional to 200,659.28, 276,912.92 and 110,023.52 is: 151,834.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,659.28 : 276,912.92 = 110,023.52 : x
  2. Step 2: Convert to fraction form
    200,659.28/276,912.92 = 110,023.52/x
  3. Step 3: Cross multiply
    200,659.28x = 276,912.92 × 110,023.52
  4. Step 4: Simplify right side
    200,659.28x = 30,466,934,191.88
  5. Step 5: Solve for x
    x = 30,466,934,191.88/200,659.28
  6. Step 6: Final answer
    x = 151,834.16

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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.