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Finding the Fourth Proportional to 247,676.02, 341,794.21 and 140,266.96

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Solution

The fourth proportional to 247,676.02, 341,794.21 and 140,266.96 is: 193,569.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,676.02 : 341,794.21 = 140,266.96 : x
  2. Step 2: Convert to fraction form
    247,676.02/341,794.21 = 140,266.96/x
  3. Step 3: Cross multiply
    247,676.02x = 341,794.21 × 140,266.96
  4. Step 4: Simplify right side
    247,676.02x = 47,942,434,782.30
  5. Step 5: Solve for x
    x = 47,942,434,782.30/247,676.02
  6. Step 6: Final answer
    x = 193,569.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.