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Finding the Fourth Proportional to 67,218.30, 100,847.52 and 37,657.35

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Solution

The fourth proportional to 67,218.30, 100,847.52 and 37,657.35 is: 56,497.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,218.30 : 100,847.52 = 37,657.35 : x
  2. Step 2: Convert to fraction form
    67,218.30/100,847.52 = 37,657.35/x
  3. Step 3: Cross multiply
    67,218.30x = 100,847.52 × 37,657.35
  4. Step 4: Simplify right side
    67,218.30x = 3,797,650,357.27
  5. Step 5: Solve for x
    x = 3,797,650,357.27/67,218.30
  6. Step 6: Final answer
    x = 56,497.27

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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.