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Finding the Fourth Proportional to 62,138.53, 93,205.92 and 17,162.63

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Solution

The fourth proportional to 62,138.53, 93,205.92 and 17,162.63 is: 25,743.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.53 : 93,205.92 = 17,162.63 : x
  2. Step 2: Convert to fraction form
    62,138.53/93,205.92 = 17,162.63/x
  3. Step 3: Cross multiply
    62,138.53x = 93,205.92 × 17,162.63
  4. Step 4: Simplify right side
    62,138.53x = 1,599,658,666.62
  5. Step 5: Solve for x
    x = 1,599,658,666.62/62,138.53
  6. Step 6: Final answer
    x = 25,743.43

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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.