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Finding the Fourth Proportional to 67,149.92, 100,679.44 and 37,588.16

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Solution

The fourth proportional to 67,149.92, 100,679.44 and 37,588.16 is: 56,356.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,149.92 : 100,679.44 = 37,588.16 : x
  2. Step 2: Convert to fraction form
    67,149.92/100,679.44 = 37,588.16/x
  3. Step 3: Cross multiply
    67,149.92x = 100,679.44 × 37,588.16
  4. Step 4: Simplify right side
    67,149.92x = 3,784,354,899.43
  5. Step 5: Solve for x
    x = 3,784,354,899.43/67,149.92
  6. Step 6: Final answer
    x = 56,356.80

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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.