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Finding the Fourth Proportional to 219,865.32, 303,414.24 and 124,369.98

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Solution

The fourth proportional to 219,865.32, 303,414.24 and 124,369.98 is: 171,630.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,865.32 : 303,414.24 = 124,369.98 : x
  2. Step 2: Convert to fraction form
    219,865.32/303,414.24 = 124,369.98/x
  3. Step 3: Cross multiply
    219,865.32x = 303,414.24 × 124,369.98
  4. Step 4: Simplify right side
    219,865.32x = 37,735,622,960.52
  5. Step 5: Solve for x
    x = 37,735,622,960.52/219,865.32
  6. Step 6: Final answer
    x = 171,630.63

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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.