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Finding the Fourth Proportional to 228,583.80, 343,208.61 and 168,796.76

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Solution

The fourth proportional to 228,583.80, 343,208.61 and 168,796.76 is: 253,440.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,583.80 : 343,208.61 = 168,796.76 : x
  2. Step 2: Convert to fraction form
    228,583.80/343,208.61 = 168,796.76/x
  3. Step 3: Cross multiply
    228,583.80x = 343,208.61 × 168,796.76
  4. Step 4: Simplify right side
    228,583.80x = 57,932,499,656.06
  5. Step 5: Solve for x
    x = 57,932,499,656.06/228,583.80
  6. Step 6: Final answer
    x = 253,440.97

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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.