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Finding the Fourth Proportional to 101,165.20, 151,747.80 and 92,635.90

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Solution

The fourth proportional to 101,165.20, 151,747.80 and 92,635.90 is: 138,953.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,165.20 : 151,747.80 = 92,635.90 : x
  2. Step 2: Convert to fraction form
    101,165.20/151,747.80 = 92,635.90/x
  3. Step 3: Cross multiply
    101,165.20x = 151,747.80 × 92,635.90
  4. Step 4: Simplify right side
    101,165.20x = 14,057,294,026.02
  5. Step 5: Solve for x
    x = 14,057,294,026.02/101,165.20
  6. Step 6: Final answer
    x = 138,953.85

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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.