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Finding the Fourth Proportional to 247,874.96, 342,067.92 and 134,697.44

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Solution

The fourth proportional to 247,874.96, 342,067.92 and 134,697.44 is: 185,882.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,874.96 : 342,067.92 = 134,697.44 : x
  2. Step 2: Convert to fraction form
    247,874.96/342,067.92 = 134,697.44/x
  3. Step 3: Cross multiply
    247,874.96x = 342,067.92 × 134,697.44
  4. Step 4: Simplify right side
    247,874.96x = 46,075,673,130.12
  5. Step 5: Solve for x
    x = 46,075,673,130.12/247,874.96
  6. Step 6: Final answer
    x = 185,882.73

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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.