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Finding the Fourth Proportional to 347,198.04, 520,846.56 and 107,332.56

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Solution

The fourth proportional to 347,198.04, 520,846.56 and 107,332.56 is: 161,014.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,198.04 : 520,846.56 = 107,332.56 : x
  2. Step 2: Convert to fraction form
    347,198.04/520,846.56 = 107,332.56/x
  3. Step 3: Cross multiply
    347,198.04x = 520,846.56 × 107,332.56
  4. Step 4: Simplify right side
    347,198.04x = 55,903,794,651.99
  5. Step 5: Solve for x
    x = 55,903,794,651.99/347,198.04
  6. Step 6: Final answer
    x = 161,014.14

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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.