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Finding the Fourth Proportional to 109,997.19, 151,796.09 and 59,696.19

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Solution

The fourth proportional to 109,997.19, 151,796.09 and 59,696.19 is: 82,380.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,997.19 : 151,796.09 = 59,696.19 : x
  2. Step 2: Convert to fraction form
    109,997.19/151,796.09 = 59,696.19/x
  3. Step 3: Cross multiply
    109,997.19x = 151,796.09 × 59,696.19
  4. Step 4: Simplify right side
    109,997.19x = 9,061,648,379.14
  5. Step 5: Solve for x
    x = 9,061,648,379.14/109,997.19
  6. Step 6: Final answer
    x = 82,380.73

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1.5x scale

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.