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Finding the Fourth Proportional to 151,827, 227,879.37 and 76,998.78

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Solution

The fourth proportional to 151,827, 227,879.37 and 76,998.78 is: 115,568.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,827 : 227,879.37 = 76,998.78 : x
  2. Step 2: Convert to fraction form
    151,827/227,879.37 = 76,998.78/x
  3. Step 3: Cross multiply
    151,827x = 227,879.37 × 76,998.78
  4. Step 4: Simplify right side
    151,827x = 17,546,433,477.17
  5. Step 5: Solve for x
    x = 17,546,433,477.17/151,827
  6. Step 6: Final answer
    x = 115,568.60

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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.