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Finding the Fourth Proportional to 228,451.88, 315,219.83 and 147,868.22

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Solution

The fourth proportional to 228,451.88, 315,219.83 and 147,868.22 is: 204,029.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,451.88 : 315,219.83 = 147,868.22 : x
  2. Step 2: Convert to fraction form
    228,451.88/315,219.83 = 147,868.22/x
  3. Step 3: Cross multiply
    228,451.88x = 315,219.83 × 147,868.22
  4. Step 4: Simplify right side
    228,451.88x = 46,610,992,855.36
  5. Step 5: Solve for x
    x = 46,610,992,855.36/228,451.88
  6. Step 6: Final answer
    x = 204,029.81

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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.