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Finding the Fourth Proportional to 271,388.70, 407,120.22 and 93,848.04

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Solution

The fourth proportional to 271,388.70, 407,120.22 and 93,848.04 is: 140,784.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,388.70 : 407,120.22 = 93,848.04 : x
  2. Step 2: Convert to fraction form
    271,388.70/407,120.22 = 93,848.04/x
  3. Step 3: Cross multiply
    271,388.70x = 407,120.22 × 93,848.04
  4. Step 4: Simplify right side
    271,388.70x = 38,207,434,691.37
  5. Step 5: Solve for x
    x = 38,207,434,691.37/271,388.70
  6. Step 6: Final answer
    x = 140,784.91

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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.