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Finding the Fourth Proportional to 199,127.44, 274,806.12 and 109,703.44

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Solution

The fourth proportional to 199,127.44, 274,806.12 and 109,703.44 is: 151,396.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,127.44 : 274,806.12 = 109,703.44 : x
  2. Step 2: Convert to fraction form
    199,127.44/274,806.12 = 109,703.44/x
  3. Step 3: Cross multiply
    199,127.44x = 274,806.12 × 109,703.44
  4. Step 4: Simplify right side
    199,127.44x = 30,147,176,697.05
  5. Step 5: Solve for x
    x = 30,147,176,697.05/199,127.44
  6. Step 6: Final answer
    x = 151,396.40

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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.