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Finding the Fourth Proportional to 344,355.92, 516,238.02 and 119,687.18

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Solution

The fourth proportional to 344,355.92, 516,238.02 and 119,687.18 is: 179,427.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,355.92 : 516,238.02 = 119,687.18 : x
  2. Step 2: Convert to fraction form
    344,355.92/516,238.02 = 119,687.18/x
  3. Step 3: Cross multiply
    344,355.92x = 516,238.02 × 119,687.18
  4. Step 4: Simplify right side
    344,355.92x = 61,787,072,822.58
  5. Step 5: Solve for x
    x = 61,787,072,822.58/344,355.92
  6. Step 6: Final answer
    x = 179,427.94

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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.