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Finding the Fourth Proportional to 104,611.01, 156,983.36 and 38,044.80

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Solution

The fourth proportional to 104,611.01, 156,983.36 and 38,044.80 is: 57,091.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,611.01 : 156,983.36 = 38,044.80 : x
  2. Step 2: Convert to fraction form
    104,611.01/156,983.36 = 38,044.80/x
  3. Step 3: Cross multiply
    104,611.01x = 156,983.36 × 38,044.80
  4. Step 4: Simplify right side
    104,611.01x = 5,972,400,344.30
  5. Step 5: Solve for x
    x = 5,972,400,344.30/104,611.01
  6. Step 6: Final answer
    x = 57,091.51

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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.