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Finding the Fourth Proportional to 228,824.80, 343,237.20 and 154,175.20

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Solution

The fourth proportional to 228,824.80, 343,237.20 and 154,175.20 is: 231,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,824.80 : 343,237.20 = 154,175.20 : x
  2. Step 2: Convert to fraction form
    228,824.80/343,237.20 = 154,175.20/x
  3. Step 3: Cross multiply
    228,824.80x = 343,237.20 × 154,175.20
  4. Step 4: Simplify right side
    228,824.80x = 52,918,663,957.44
  5. Step 5: Solve for x
    x = 52,918,663,957.44/228,824.80
  6. Step 6: Final answer
    x = 231,262.80

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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.