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Finding the Fourth Proportional to 100,997.48, 151,566.19 and 40,201.52

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Solution

The fourth proportional to 100,997.48, 151,566.19 and 40,201.52 is: 60,330.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,997.48 : 151,566.19 = 40,201.52 : x
  2. Step 2: Convert to fraction form
    100,997.48/151,566.19 = 40,201.52/x
  3. Step 3: Cross multiply
    100,997.48x = 151,566.19 × 40,201.52
  4. Step 4: Simplify right side
    100,997.48x = 6,093,190,360.27
  5. Step 5: Solve for x
    x = 6,093,190,360.27/100,997.48
  6. Step 6: Final answer
    x = 60,330.12

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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.