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Finding the Fourth Proportional to 234,150.82, 350,871.45 and 154,981.42

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Solution

The fourth proportional to 234,150.82, 350,871.45 and 154,981.42 is: 232,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,150.82 : 350,871.45 = 154,981.42 : x
  2. Step 2: Convert to fraction form
    234,150.82/350,871.45 = 154,981.42/x
  3. Step 3: Cross multiply
    234,150.82x = 350,871.45 × 154,981.42
  4. Step 4: Simplify right side
    234,150.82x = 54,378,555,558.46
  5. Step 5: Solve for x
    x = 54,378,555,558.46/234,150.82
  6. Step 6: Final answer
    x = 232,237.31

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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.