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Finding the Fourth Proportional to 173,251, 239,086.40 and 93,763

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Solution

The fourth proportional to 173,251, 239,086.40 and 93,763 is: 129,392.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,251 : 239,086.40 = 93,763 : x
  2. Step 2: Convert to fraction form
    173,251/239,086.40 = 93,763/x
  3. Step 3: Cross multiply
    173,251x = 239,086.40 × 93,763
  4. Step 4: Simplify right side
    173,251x = 22,417,458,123.20
  5. Step 5: Solve for x
    x = 22,417,458,123.20/173,251
  6. Step 6: Final answer
    x = 129,392.95

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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.