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Finding the Fourth Proportional to 447,103.97, 670,656.13 and 110,151.18

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Solution

The fourth proportional to 447,103.97, 670,656.13 and 110,151.18 is: 165,226.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,103.97 : 670,656.13 = 110,151.18 : x
  2. Step 2: Convert to fraction form
    447,103.97/670,656.13 = 110,151.18/x
  3. Step 3: Cross multiply
    447,103.97x = 670,656.13 × 110,151.18
  4. Step 4: Simplify right side
    447,103.97x = 73,873,562,417.09
  5. Step 5: Solve for x
    x = 73,873,562,417.09/447,103.97
  6. Step 6: Final answer
    x = 165,226.81

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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.