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Finding the Fourth Proportional to 104,062.57, 156,076.23 and 29,165.47

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Solution

The fourth proportional to 104,062.57, 156,076.23 and 29,165.47 is: 43,743.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,062.57 : 156,076.23 = 29,165.47 : x
  2. Step 2: Convert to fraction form
    104,062.57/156,076.23 = 29,165.47/x
  3. Step 3: Cross multiply
    104,062.57x = 156,076.23 × 29,165.47
  4. Step 4: Simplify right side
    104,062.57x = 4,552,036,603.78
  5. Step 5: Solve for x
    x = 4,552,036,603.78/104,062.57
  6. Step 6: Final answer
    x = 43,743.27

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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.