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Finding the Fourth Proportional to 234,592.88, 323,781.48 and 133,990.80

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Solution

The fourth proportional to 234,592.88, 323,781.48 and 133,990.80 is: 184,932.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,592.88 : 323,781.48 = 133,990.80 : x
  2. Step 2: Convert to fraction form
    234,592.88/323,781.48 = 133,990.80/x
  3. Step 3: Cross multiply
    234,592.88x = 323,781.48 × 133,990.80
  4. Step 4: Simplify right side
    234,592.88x = 43,383,739,530.38
  5. Step 5: Solve for x
    x = 43,383,739,530.38/234,592.88
  6. Step 6: Final answer
    x = 184,932.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.