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Finding the Fourth Proportional to 200,447.88, 276,618.08 and 111,023.88

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Solution

The fourth proportional to 200,447.88, 276,618.08 and 111,023.88 is: 153,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,447.88 : 276,618.08 = 111,023.88 : x
  2. Step 2: Convert to fraction form
    200,447.88/276,618.08 = 111,023.88/x
  3. Step 3: Cross multiply
    200,447.88x = 276,618.08 × 111,023.88
  4. Step 4: Simplify right side
    200,447.88x = 30,711,212,519.75
  5. Step 5: Solve for x
    x = 30,711,212,519.75/200,447.88
  6. Step 6: Final answer
    x = 153,212.96

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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.