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Finding the Fourth Proportional to 271,043.91, 406,620.41 and 93,557.79

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Solution

The fourth proportional to 271,043.91, 406,620.41 and 93,557.79 is: 140,355.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,043.91 : 406,620.41 = 93,557.79 : x
  2. Step 2: Convert to fraction form
    271,043.91/406,620.41 = 93,557.79/x
  3. Step 3: Cross multiply
    271,043.91x = 406,620.41 × 93,557.79
  4. Step 4: Simplify right side
    271,043.91x = 38,042,506,460.71
  5. Step 5: Solve for x
    x = 38,042,506,460.71/271,043.91
  6. Step 6: Final answer
    x = 140,355.51

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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.