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Finding the Fourth Proportional to 151,909.48, 227,811.42 and 84,544.30

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Solution

The fourth proportional to 151,909.48, 227,811.42 and 84,544.30 is: 126,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,909.48 : 227,811.42 = 84,544.30 : x
  2. Step 2: Convert to fraction form
    151,909.48/227,811.42 = 84,544.30/x
  3. Step 3: Cross multiply
    151,909.48x = 227,811.42 × 84,544.30
  4. Step 4: Simplify right side
    151,909.48x = 19,260,157,035.91
  5. Step 5: Solve for x
    x = 19,260,157,035.91/151,909.48
  6. Step 6: Final answer
    x = 126,787.06

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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.