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Finding the Fourth Proportional to 166,649.32, 229,975.07 and 95,027.80

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Solution

The fourth proportional to 166,649.32, 229,975.07 and 95,027.80 is: 131,137.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,649.32 : 229,975.07 = 95,027.80 : x
  2. Step 2: Convert to fraction form
    166,649.32/229,975.07 = 95,027.80/x
  3. Step 3: Cross multiply
    166,649.32x = 229,975.07 × 95,027.80
  4. Step 4: Simplify right side
    166,649.32x = 21,854,024,956.95
  5. Step 5: Solve for x
    x = 21,854,024,956.95/166,649.32
  6. Step 6: Final answer
    x = 131,137.80

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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.