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Finding the Fourth Proportional to 67,512.68, 93,162.80 and 37,297.76

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Solution

The fourth proportional to 67,512.68, 93,162.80 and 37,297.76 is: 51,468.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,512.68 : 93,162.80 = 37,297.76 : x
  2. Step 2: Convert to fraction form
    67,512.68/93,162.80 = 37,297.76/x
  3. Step 3: Cross multiply
    67,512.68x = 93,162.80 × 37,297.76
  4. Step 4: Simplify right side
    67,512.68x = 3,474,763,103.03
  5. Step 5: Solve for x
    x = 3,474,763,103.03/67,512.68
  6. Step 6: Final answer
    x = 51,468.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.