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Finding the Fourth Proportional to 367,157.05, 550,936.28 and 142,526.41

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Solution

The fourth proportional to 367,157.05, 550,936.28 and 142,526.41 is: 213,867.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,157.05 : 550,936.28 = 142,526.41 : x
  2. Step 2: Convert to fraction form
    367,157.05/550,936.28 = 142,526.41/x
  3. Step 3: Cross multiply
    367,157.05x = 550,936.28 × 142,526.41
  4. Step 4: Simplify right side
    367,157.05x = 78,522,970,127.15
  5. Step 5: Solve for x
    x = 78,522,970,127.15/367,157.05
  6. Step 6: Final answer
    x = 213,867.53

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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.