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Finding the Fourth Proportional to 271,004.63, 373,976.46 and 156,288.11

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Solution

The fourth proportional to 271,004.63, 373,976.46 and 156,288.11 is: 215,671.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,004.63 : 373,976.46 = 156,288.11 : x
  2. Step 2: Convert to fraction form
    271,004.63/373,976.46 = 156,288.11/x
  3. Step 3: Cross multiply
    271,004.63x = 373,976.46 × 156,288.11
  4. Step 4: Simplify right side
    271,004.63x = 58,448,074,117.89
  5. Step 5: Solve for x
    x = 58,448,074,117.89/271,004.63
  6. Step 6: Final answer
    x = 215,671.87

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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.