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Finding the Fourth Proportional to 228,908.40, 343,119.60 and 110,502.60

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Solution

The fourth proportional to 228,908.40, 343,119.60 and 110,502.60 is: 165,636.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,908.40 : 343,119.60 = 110,502.60 : x
  2. Step 2: Convert to fraction form
    228,908.40/343,119.60 = 110,502.60/x
  3. Step 3: Cross multiply
    228,908.40x = 343,119.60 × 110,502.60
  4. Step 4: Simplify right side
    228,908.40x = 37,915,607,910.96
  5. Step 5: Solve for x
    x = 37,915,607,910.96/228,908.40
  6. Step 6: Final answer
    x = 165,636.59

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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.