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Finding the Fourth Proportional to 219,833.91, 303,377.40 and 124,338.69

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Solution

The fourth proportional to 219,833.91, 303,377.40 and 124,338.69 is: 171,591.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,833.91 : 303,377.40 = 124,338.69 : x
  2. Step 2: Convert to fraction form
    219,833.91/303,377.40 = 124,338.69/x
  3. Step 3: Cross multiply
    219,833.91x = 303,377.40 × 124,338.69
  4. Step 4: Simplify right side
    219,833.91x = 37,721,548,491.61
  5. Step 5: Solve for x
    x = 37,721,548,491.61/219,833.91
  6. Step 6: Final answer
    x = 171,591.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.