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Finding the Fourth Proportional to 151,703.31, 227,488.80 and 80,608.83

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Solution

The fourth proportional to 151,703.31, 227,488.80 and 80,608.83 is: 120,878.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,703.31 : 227,488.80 = 80,608.83 : x
  2. Step 2: Convert to fraction form
    151,703.31/227,488.80 = 80,608.83/x
  3. Step 3: Cross multiply
    151,703.31x = 227,488.80 × 80,608.83
  4. Step 4: Simplify right side
    151,703.31x = 18,337,606,006.10
  5. Step 5: Solve for x
    x = 18,337,606,006.10/151,703.31
  6. Step 6: Final answer
    x = 120,878.09

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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.