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Finding the Fourth Proportional to 136,398.88, 204,628.84 and 41,637.48

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Solution

The fourth proportional to 136,398.88, 204,628.84 and 41,637.48 is: 62,465.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,398.88 : 204,628.84 = 41,637.48 : x
  2. Step 2: Convert to fraction form
    136,398.88/204,628.84 = 41,637.48/x
  3. Step 3: Cross multiply
    136,398.88x = 204,628.84 × 41,637.48
  4. Step 4: Simplify right side
    136,398.88x = 8,520,229,232.92
  5. Step 5: Solve for x
    x = 8,520,229,232.92/136,398.88
  6. Step 6: Final answer
    x = 62,465.54

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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.