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Finding the Fourth Proportional to 136,293.92, 204,440.84 and 36,451.54

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Solution

The fourth proportional to 136,293.92, 204,440.84 and 36,451.54 is: 54,677.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,293.92 : 204,440.84 = 36,451.54 : x
  2. Step 2: Convert to fraction form
    136,293.92/204,440.84 = 36,451.54/x
  3. Step 3: Cross multiply
    136,293.92x = 204,440.84 × 36,451.54
  4. Step 4: Simplify right side
    136,293.92x = 7,452,182,721.94
  5. Step 5: Solve for x
    x = 7,452,182,721.94/136,293.92
  6. Step 6: Final answer
    x = 54,677.29

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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.