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Finding the Fourth Proportional to 344,354.92, 516,236.52 and 119,686.18

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Solution

The fourth proportional to 344,354.92, 516,236.52 and 119,686.18 is: 179,426.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,354.92 : 516,236.52 = 119,686.18 : x
  2. Step 2: Convert to fraction form
    344,354.92/516,236.52 = 119,686.18/x
  3. Step 3: Cross multiply
    344,354.92x = 516,236.52 × 119,686.18
  4. Step 4: Simplify right side
    344,354.92x = 61,786,377,055.29
  5. Step 5: Solve for x
    x = 61,786,377,055.29/344,354.92
  6. Step 6: Final answer
    x = 179,426.44

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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.