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Finding the Fourth Proportional to 296,173.78, 443,858.05 and 125,253.40

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Solution

The fourth proportional to 296,173.78, 443,858.05 and 125,253.40 is: 187,709.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,173.78 : 443,858.05 = 125,253.40 : x
  2. Step 2: Convert to fraction form
    296,173.78/443,858.05 = 125,253.40/x
  3. Step 3: Cross multiply
    296,173.78x = 443,858.05 × 125,253.40
  4. Step 4: Simplify right side
    296,173.78x = 55,594,729,253.60
  5. Step 5: Solve for x
    x = 55,594,729,253.60/296,173.78
  6. Step 6: Final answer
    x = 187,709.83

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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.