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Finding the Fourth Proportional to 349,135.92, 523,791.36 and 112,473.36

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Solution

The fourth proportional to 349,135.92, 523,791.36 and 112,473.36 is: 168,738.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,135.92 : 523,791.36 = 112,473.36 : x
  2. Step 2: Convert to fraction form
    349,135.92/523,791.36 = 112,473.36/x
  3. Step 3: Cross multiply
    349,135.92x = 523,791.36 × 112,473.36
  4. Step 4: Simplify right side
    349,135.92x = 58,912,574,198.17
  5. Step 5: Solve for x
    x = 58,912,574,198.17/349,135.92
  6. Step 6: Final answer
    x = 168,738.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.