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Finding the Fourth Proportional to 363,712.07, 545,568.11 and 110,993.87

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Solution

The fourth proportional to 363,712.07, 545,568.11 and 110,993.87 is: 166,490.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,712.07 : 545,568.11 = 110,993.87 : x
  2. Step 2: Convert to fraction form
    363,712.07/545,568.11 = 110,993.87/x
  3. Step 3: Cross multiply
    363,712.07x = 545,568.11 × 110,993.87
  4. Step 4: Simplify right side
    363,712.07x = 60,554,716,686.44
  5. Step 5: Solve for x
    x = 60,554,716,686.44/363,712.07
  6. Step 6: Final answer
    x = 166,490.81

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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.