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Finding the Fourth Proportional to 271,290.48, 406,695.88 and 102,693.68

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Solution

The fourth proportional to 271,290.48, 406,695.88 and 102,693.68 is: 153,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,290.48 : 406,695.88 = 102,693.68 : x
  2. Step 2: Convert to fraction form
    271,290.48/406,695.88 = 102,693.68/x
  3. Step 3: Cross multiply
    271,290.48x = 406,695.88 × 102,693.68
  4. Step 4: Simplify right side
    271,290.48x = 41,765,096,558.04
  5. Step 5: Solve for x
    x = 41,765,096,558.04/271,290.48
  6. Step 6: Final answer
    x = 153,949.73

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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.