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Finding the Fourth Proportional to 279,155.27, 418,487.07 and 110,793.80

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Solution

The fourth proportional to 279,155.27, 418,487.07 and 110,793.80 is: 166,093.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,155.27 : 418,487.07 = 110,793.80 : x
  2. Step 2: Convert to fraction form
    279,155.27/418,487.07 = 110,793.80/x
  3. Step 3: Cross multiply
    279,155.27x = 418,487.07 × 110,793.80
  4. Step 4: Simplify right side
    279,155.27x = 46,365,772,736.17
  5. Step 5: Solve for x
    x = 46,365,772,736.17/279,155.27
  6. Step 6: Final answer
    x = 166,093.13

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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.