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Finding the Fourth Proportional to 271,888.50, 375,342.46 and 169,970.60

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Solution

The fourth proportional to 271,888.50, 375,342.46 and 169,970.60 is: 234,644.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,888.50 : 375,342.46 = 169,970.60 : x
  2. Step 2: Convert to fraction form
    271,888.50/375,342.46 = 169,970.60/x
  3. Step 3: Cross multiply
    271,888.50x = 375,342.46 × 169,970.60
  4. Step 4: Simplify right side
    271,888.50x = 63,797,183,131.68
  5. Step 5: Solve for x
    x = 63,797,183,131.68/271,888.50
  6. Step 6: Final answer
    x = 234,644.65

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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.