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Finding the Fourth Proportional to 191,843.22, 287,754.30 and 58,723.38

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Solution

The fourth proportional to 191,843.22, 287,754.30 and 58,723.38 is: 88,081.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,843.22 : 287,754.30 = 58,723.38 : x
  2. Step 2: Convert to fraction form
    191,843.22/287,754.30 = 58,723.38/x
  3. Step 3: Cross multiply
    191,843.22x = 287,754.30 × 58,723.38
  4. Step 4: Simplify right side
    191,843.22x = 16,897,905,105.53
  5. Step 5: Solve for x
    x = 16,897,905,105.53/191,843.22
  6. Step 6: Final answer
    x = 88,081.85

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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.