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Finding the Fourth Proportional to 166,889.76, 250,859.52 and 144,976.02

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Solution

The fourth proportional to 166,889.76, 250,859.52 and 144,976.02 is: 217,919.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,889.76 : 250,859.52 = 144,976.02 : x
  2. Step 2: Convert to fraction form
    166,889.76/250,859.52 = 144,976.02/x
  3. Step 3: Cross multiply
    166,889.76x = 250,859.52 × 144,976.02
  4. Step 4: Simplify right side
    166,889.76x = 36,368,614,788.71
  5. Step 5: Solve for x
    x = 36,368,614,788.71/166,889.76
  6. Step 6: Final answer
    x = 217,919.99

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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.