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Finding the Fourth Proportional to 228,840.70, 343,649.85 and 169,743.10

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Solution

The fourth proportional to 228,840.70, 343,649.85 and 169,743.10 is: 254,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,840.70 : 343,649.85 = 169,743.10 : x
  2. Step 2: Convert to fraction form
    228,840.70/343,649.85 = 169,743.10/x
  3. Step 3: Cross multiply
    228,840.70x = 343,649.85 × 169,743.10
  4. Step 4: Simplify right side
    228,840.70x = 58,332,190,853.54
  5. Step 5: Solve for x
    x = 58,332,190,853.54/228,840.70
  6. Step 6: Final answer
    x = 254,903.04

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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.