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Finding the Fourth Proportional to 316,050.80, 472,863.20 and 181,179.54

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Solution

The fourth proportional to 316,050.80, 472,863.20 and 181,179.54 is: 271,073.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,050.80 : 472,863.20 = 181,179.54 : x
  2. Step 2: Convert to fraction form
    316,050.80/472,863.20 = 181,179.54/x
  3. Step 3: Cross multiply
    316,050.80x = 472,863.20 × 181,179.54
  4. Step 4: Simplify right side
    316,050.80x = 85,673,136,153.03
  5. Step 5: Solve for x
    x = 85,673,136,153.03/316,050.80
  6. Step 6: Final answer
    x = 271,073.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.