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Finding the Fourth Proportional to 228,864.82, 343,239.78 and 108,847.70

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Solution

The fourth proportional to 228,864.82, 343,239.78 and 108,847.70 is: 163,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,864.82 : 343,239.78 = 108,847.70 : x
  2. Step 2: Convert to fraction form
    228,864.82/343,239.78 = 108,847.70/x
  3. Step 3: Cross multiply
    228,864.82x = 343,239.78 × 108,847.70
  4. Step 4: Simplify right side
    228,864.82x = 37,360,860,601.51
  5. Step 5: Solve for x
    x = 37,360,860,601.51/228,864.82
  6. Step 6: Final answer
    x = 163,244.23

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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.