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Finding the Fourth Proportional to 367,156.05, 550,934.78 and 142,525.41

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Solution

The fourth proportional to 367,156.05, 550,934.78 and 142,525.41 is: 213,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,156.05 : 550,934.78 = 142,525.41 : x
  2. Step 2: Convert to fraction form
    367,156.05/550,934.78 = 142,525.41/x
  3. Step 3: Cross multiply
    367,156.05x = 550,934.78 × 142,525.41
  4. Step 4: Simplify right side
    367,156.05x = 78,522,204,690.13
  5. Step 5: Solve for x
    x = 78,522,204,690.13/367,156.05
  6. Step 6: Final answer
    x = 213,866.02

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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.