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Finding the Fourth Proportional to 236,613.27, 354,354.10 and 136,469.87

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Solution

The fourth proportional to 236,613.27, 354,354.10 and 136,469.87 is: 204,378.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,613.27 : 354,354.10 = 136,469.87 : x
  2. Step 2: Convert to fraction form
    236,613.27/354,354.10 = 136,469.87/x
  3. Step 3: Cross multiply
    236,613.27x = 354,354.10 × 136,469.87
  4. Step 4: Simplify right side
    236,613.27x = 48,358,657,960.97
  5. Step 5: Solve for x
    x = 48,358,657,960.97/236,613.27
  6. Step 6: Final answer
    x = 204,378.47

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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.