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Finding the Fourth Proportional to 188,827.72, 283,144.06 and 55,691.04

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Solution

The fourth proportional to 188,827.72, 283,144.06 and 55,691.04 is: 83,507.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,827.72 : 283,144.06 = 55,691.04 : x
  2. Step 2: Convert to fraction form
    188,827.72/283,144.06 = 55,691.04/x
  3. Step 3: Cross multiply
    188,827.72x = 283,144.06 × 55,691.04
  4. Step 4: Simplify right side
    188,827.72x = 15,768,587,171.22
  5. Step 5: Solve for x
    x = 15,768,587,171.22/188,827.72
  6. Step 6: Final answer
    x = 83,507.80

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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.