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Finding the Fourth Proportional to 173,890.97, 239,972.03 and 101,292

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Solution

The fourth proportional to 173,890.97, 239,972.03 and 101,292 is: 139,784.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,890.97 : 239,972.03 = 101,292 : x
  2. Step 2: Convert to fraction form
    173,890.97/239,972.03 = 101,292/x
  3. Step 3: Cross multiply
    173,890.97x = 239,972.03 × 101,292
  4. Step 4: Simplify right side
    173,890.97x = 24,307,247,115.99
  5. Step 5: Solve for x
    x = 24,307,247,115.99/173,890.97
  6. Step 6: Final answer
    x = 139,784.41

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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.