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Finding the Fourth Proportional to 151,990.60, 227,640.30 and 96,003.40

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Solution

The fourth proportional to 151,990.60, 227,640.30 and 96,003.40 is: 143,786.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,990.60 : 227,640.30 = 96,003.40 : x
  2. Step 2: Convert to fraction form
    151,990.60/227,640.30 = 96,003.40/x
  3. Step 3: Cross multiply
    151,990.60x = 227,640.30 × 96,003.40
  4. Step 4: Simplify right side
    151,990.60x = 21,854,242,777.02
  5. Step 5: Solve for x
    x = 21,854,242,777.02/151,990.60
  6. Step 6: Final answer
    x = 143,786.81

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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.