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Finding the Fourth Proportional to 136,438.56, 204,657.84 and 41,664.92

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Solution

The fourth proportional to 136,438.56, 204,657.84 and 41,664.92 is: 62,497.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,438.56 : 204,657.84 = 41,664.92 : x
  2. Step 2: Convert to fraction form
    136,438.56/204,657.84 = 41,664.92/x
  3. Step 3: Cross multiply
    136,438.56x = 204,657.84 × 41,664.92
  4. Step 4: Simplify right side
    136,438.56x = 8,527,051,507.68
  5. Step 5: Solve for x
    x = 8,527,051,507.68/136,438.56
  6. Step 6: Final answer
    x = 62,497.37

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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.