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Finding the Fourth Proportional to 173,638.52, 239,513.88 and 119,165.82

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Solution

The fourth proportional to 173,638.52, 239,513.88 and 119,165.82 is: 164,375.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,638.52 : 239,513.88 = 119,165.82 : x
  2. Step 2: Convert to fraction form
    173,638.52/239,513.88 = 119,165.82/x
  3. Step 3: Cross multiply
    173,638.52x = 239,513.88 × 119,165.82
  4. Step 4: Simplify right side
    173,638.52x = 28,541,867,911.58
  5. Step 5: Solve for x
    x = 28,541,867,911.58/173,638.52
  6. Step 6: Final answer
    x = 164,375.21

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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.