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Finding the Fourth Proportional to 271,889.50, 375,343.84 and 169,971.60

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Solution

The fourth proportional to 271,889.50, 375,343.84 and 169,971.60 is: 234,646.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,889.50 : 375,343.84 = 169,971.60 : x
  2. Step 2: Convert to fraction form
    271,889.50/375,343.84 = 169,971.60/x
  3. Step 3: Cross multiply
    271,889.50x = 375,343.84 × 169,971.60
  4. Step 4: Simplify right side
    271,889.50x = 63,797,793,034.94
  5. Step 5: Solve for x
    x = 63,797,793,034.94/271,889.50
  6. Step 6: Final answer
    x = 234,646.03

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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.