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Finding the Fourth Proportional to 151,403.80, 227,105.70 and 95,416.60

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Solution

The fourth proportional to 151,403.80, 227,105.70 and 95,416.60 is: 143,124.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,403.80 : 227,105.70 = 95,416.60 : x
  2. Step 2: Convert to fraction form
    151,403.80/227,105.70 = 95,416.60/x
  3. Step 3: Cross multiply
    151,403.80x = 227,105.70 × 95,416.60
  4. Step 4: Simplify right side
    151,403.80x = 21,669,653,734.62
  5. Step 5: Solve for x
    x = 21,669,653,734.62/151,403.80
  6. Step 6: Final answer
    x = 143,124.90

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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.