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Finding the Fourth Proportional to 134,989.68, 202,479.48 and 41,493

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Solution

The fourth proportional to 134,989.68, 202,479.48 and 41,493 is: 62,237.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,989.68 : 202,479.48 = 41,493 : x
  2. Step 2: Convert to fraction form
    134,989.68/202,479.48 = 41,493/x
  3. Step 3: Cross multiply
    134,989.68x = 202,479.48 × 41,493
  4. Step 4: Simplify right side
    134,989.68x = 8,401,481,063.64
  5. Step 5: Solve for x
    x = 8,401,481,063.64/134,989.68
  6. Step 6: Final answer
    x = 62,237.95

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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.