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Finding the Fourth Proportional to 271,053.14, 374,047.11 and 156,332.00

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Solution

The fourth proportional to 271,053.14, 374,047.11 and 156,332.00 is: 215,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,053.14 : 374,047.11 = 156,332.00 : x
  2. Step 2: Convert to fraction form
    271,053.14/374,047.11 = 156,332.00/x
  3. Step 3: Cross multiply
    271,053.14x = 374,047.11 × 156,332.00
  4. Step 4: Simplify right side
    271,053.14x = 58,475,530,930.28
  5. Step 5: Solve for x
    x = 58,475,530,930.28/271,053.14
  6. Step 6: Final answer
    x = 215,734.57

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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.