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Finding the Fourth Proportional to 166,697.76, 250,054.70 and 54,377.76

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Solution

The fourth proportional to 166,697.76, 250,054.70 and 54,377.76 is: 81,569.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,697.76 : 250,054.70 = 54,377.76 : x
  2. Step 2: Convert to fraction form
    166,697.76/250,054.70 = 54,377.76/x
  3. Step 3: Cross multiply
    166,697.76x = 250,054.70 × 54,377.76
  4. Step 4: Simplify right side
    166,697.76x = 13,597,414,191.58
  5. Step 5: Solve for x
    x = 13,597,414,191.58/166,697.76
  6. Step 6: Final answer
    x = 81,569.27

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.