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Finding the Fourth Proportional to 236,616.38, 354,358.74 and 136,472.98

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Solution

The fourth proportional to 236,616.38, 354,358.74 and 136,472.98 is: 204,383.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,616.38 : 354,358.74 = 136,472.98 : x
  2. Step 2: Convert to fraction form
    236,616.38/354,358.74 = 136,472.98/x
  3. Step 3: Cross multiply
    236,616.38x = 354,358.74 × 136,472.98
  4. Step 4: Simplify right side
    236,616.38x = 48,360,392,554.48
  5. Step 5: Solve for x
    x = 48,360,392,554.48/236,616.38
  6. Step 6: Final answer
    x = 204,383.11

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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.