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Finding the Fourth Proportional to 234,149.82, 350,869.95 and 154,980.42

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Solution

The fourth proportional to 234,149.82, 350,869.95 and 154,980.42 is: 232,235.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,149.82 : 350,869.95 = 154,980.42 : x
  2. Step 2: Convert to fraction form
    234,149.82/350,869.95 = 154,980.42/x
  3. Step 3: Cross multiply
    234,149.82x = 350,869.95 × 154,980.42
  4. Step 4: Simplify right side
    234,149.82x = 54,377,972,216.38
  5. Step 5: Solve for x
    x = 54,377,972,216.38/234,149.82
  6. Step 6: Final answer
    x = 232,235.81

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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.