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Finding the Fourth Proportional to 271,260.60, 406,929.30 and 84,252.60

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Solution

The fourth proportional to 271,260.60, 406,929.30 and 84,252.60 is: 126,390.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,260.60 : 406,929.30 = 84,252.60 : x
  2. Step 2: Convert to fraction form
    271,260.60/406,929.30 = 84,252.60/x
  3. Step 3: Cross multiply
    271,260.60x = 406,929.30 × 84,252.60
  4. Step 4: Simplify right side
    271,260.60x = 34,284,851,541.18
  5. Step 5: Solve for x
    x = 34,284,851,541.18/271,260.60
  6. Step 6: Final answer
    x = 126,390.83

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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.