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Finding the Fourth Proportional to 271,309.58, 374,329.23 and 156,579.02

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Solution

The fourth proportional to 271,309.58, 374,329.23 and 156,579.02 is: 216,034.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,309.58 : 374,329.23 = 156,579.02 : x
  2. Step 2: Convert to fraction form
    271,309.58/374,329.23 = 156,579.02/x
  3. Step 3: Cross multiply
    271,309.58x = 374,329.23 × 156,579.02
  4. Step 4: Simplify right side
    271,309.58x = 58,612,103,990.75
  5. Step 5: Solve for x
    x = 58,612,103,990.75/271,309.58
  6. Step 6: Final answer
    x = 216,034.04

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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.