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Finding the Fourth Proportional to 151,703.60, 227,561.10 and 39,380.90

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Solution

The fourth proportional to 151,703.60, 227,561.10 and 39,380.90 is: 59,072.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,703.60 : 227,561.10 = 39,380.90 : x
  2. Step 2: Convert to fraction form
    151,703.60/227,561.10 = 39,380.90/x
  3. Step 3: Cross multiply
    151,703.60x = 227,561.10 × 39,380.90
  4. Step 4: Simplify right side
    151,703.60x = 8,961,560,922.99
  5. Step 5: Solve for x
    x = 8,961,560,922.99/151,703.60
  6. Step 6: Final answer
    x = 59,072.83

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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.