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Finding the Fourth Proportional to 129,197.95, 193,824.87 and 39,233.27

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Solution

The fourth proportional to 129,197.95, 193,824.87 and 39,233.27 is: 58,858.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,197.95 : 193,824.87 = 39,233.27 : x
  2. Step 2: Convert to fraction form
    129,197.95/193,824.87 = 39,233.27/x
  3. Step 3: Cross multiply
    129,197.95x = 193,824.87 × 39,233.27
  4. Step 4: Simplify right side
    129,197.95x = 7,604,383,457.42
  5. Step 5: Solve for x
    x = 7,604,383,457.42/129,197.95
  6. Step 6: Final answer
    x = 58,858.39

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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.