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Finding the Fourth Proportional to 224,676.72, 309,911.48 and 170,843.71

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Solution

The fourth proportional to 224,676.72, 309,911.48 and 170,843.71 is: 235,656.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,676.72 : 309,911.48 = 170,843.71 : x
  2. Step 2: Convert to fraction form
    224,676.72/309,911.48 = 170,843.71/x
  3. Step 3: Cross multiply
    224,676.72x = 309,911.48 × 170,843.71
  4. Step 4: Simplify right side
    224,676.72x = 52,946,427,014.79
  5. Step 5: Solve for x
    x = 52,946,427,014.79/224,676.72
  6. Step 6: Final answer
    x = 235,656.04

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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.