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Finding the Fourth Proportional to 228,267.91, 342,474.77 and 109,951.21

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Solution

The fourth proportional to 228,267.91, 342,474.77 and 109,951.21 is: 164,961.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,267.91 : 342,474.77 = 109,951.21 : x
  2. Step 2: Convert to fraction form
    228,267.91/342,474.77 = 109,951.21/x
  3. Step 3: Cross multiply
    228,267.91x = 342,474.77 × 109,951.21
  4. Step 4: Simplify right side
    228,267.91x = 37,655,515,355.97
  5. Step 5: Solve for x
    x = 37,655,515,355.97/228,267.91
  6. Step 6: Final answer
    x = 164,961.93

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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.