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Finding the Fourth Proportional to 271,781.12, 407,743.80 and 94,287.68

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Solution

The fourth proportional to 271,781.12, 407,743.80 and 94,287.68 is: 141,456.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,781.12 : 407,743.80 = 94,287.68 : x
  2. Step 2: Convert to fraction form
    271,781.12/407,743.80 = 94,287.68/x
  3. Step 3: Cross multiply
    271,781.12x = 407,743.80 × 94,287.68
  4. Step 4: Simplify right side
    271,781.12x = 38,445,216,936.38
  5. Step 5: Solve for x
    x = 38,445,216,936.38/271,781.12
  6. Step 6: Final answer
    x = 141,456.54

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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.