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Finding the Fourth Proportional to 173,288, 239,137.44 and 93,800

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Solution

The fourth proportional to 173,288, 239,137.44 and 93,800 is: 129,444

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,288 : 239,137.44 = 93,800 : x
  2. Step 2: Convert to fraction form
    173,288/239,137.44 = 93,800/x
  3. Step 3: Cross multiply
    173,288x = 239,137.44 × 93,800
  4. Step 4: Simplify right side
    173,288x = 22,431,091,872
  5. Step 5: Solve for x
    x = 22,431,091,872/173,288
  6. Step 6: Final answer
    x = 129,444

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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.