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Finding the Fourth Proportional to 67,704.64, 101,548.75 and 34,448.57

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Solution

The fourth proportional to 67,704.64, 101,548.75 and 34,448.57 is: 51,668.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,704.64 : 101,548.75 = 34,448.57 : x
  2. Step 2: Convert to fraction form
    67,704.64/101,548.75 = 34,448.57/x
  3. Step 3: Cross multiply
    67,704.64x = 101,548.75 × 34,448.57
  4. Step 4: Simplify right side
    67,704.64x = 3,498,209,390.54
  5. Step 5: Solve for x
    x = 3,498,209,390.54/67,704.64
  6. Step 6: Final answer
    x = 51,668.68

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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.