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Finding the Fourth Proportional to 250,846.60, 376,109.78 and 165,358.80

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Solution

The fourth proportional to 250,846.60, 376,109.78 and 165,358.80 is: 247,932.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,846.60 : 376,109.78 = 165,358.80 : x
  2. Step 2: Convert to fraction form
    250,846.60/376,109.78 = 165,358.80/x
  3. Step 3: Cross multiply
    250,846.60x = 376,109.78 × 165,358.80
  4. Step 4: Simplify right side
    250,846.60x = 62,193,060,008.52
  5. Step 5: Solve for x
    x = 62,193,060,008.52/250,846.60
  6. Step 6: Final answer
    x = 247,932.64

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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.