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Finding the Fourth Proportional to 101,170.62, 151,772.40 and 37,995.66

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Solution

The fourth proportional to 101,170.62, 151,772.40 and 37,995.66 is: 56,999.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,170.62 : 151,772.40 = 37,995.66 : x
  2. Step 2: Convert to fraction form
    101,170.62/151,772.40 = 37,995.66/x
  3. Step 3: Cross multiply
    101,170.62x = 151,772.40 × 37,995.66
  4. Step 4: Simplify right side
    101,170.62x = 5,766,692,507.78
  5. Step 5: Solve for x
    x = 5,766,692,507.78/101,170.62
  6. Step 6: Final answer
    x = 56,999.68

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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.