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Finding the Fourth Proportional to 73,615.68, 101,487.60 and 49,704.48

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Solution

The fourth proportional to 73,615.68, 101,487.60 and 49,704.48 is: 68,523.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,615.68 : 101,487.60 = 49,704.48 : x
  2. Step 2: Convert to fraction form
    73,615.68/101,487.60 = 49,704.48/x
  3. Step 3: Cross multiply
    73,615.68x = 101,487.60 × 49,704.48
  4. Step 4: Simplify right side
    73,615.68x = 5,044,388,384.45
  5. Step 5: Solve for x
    x = 5,044,388,384.45/73,615.68
  6. Step 6: Final answer
    x = 68,523.29

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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.