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Finding the Fourth Proportional to 173,872.46, 239,949.89 and 97,394.82

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Solution

The fourth proportional to 173,872.46, 239,949.89 and 97,394.82 is: 134,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,872.46 : 239,949.89 = 97,394.82 : x
  2. Step 2: Convert to fraction form
    173,872.46/239,949.89 = 97,394.82/x
  3. Step 3: Cross multiply
    173,872.46x = 239,949.89 × 97,394.82
  4. Step 4: Simplify right side
    173,872.46x = 23,369,876,345.57
  5. Step 5: Solve for x
    x = 23,369,876,345.57/173,872.46
  6. Step 6: Final answer
    x = 134,408.15

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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.