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Finding the Fourth Proportional to 191,896.32, 287,863.68 and 58,775.04

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Solution

The fourth proportional to 191,896.32, 287,863.68 and 58,775.04 is: 88,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,896.32 : 287,863.68 = 58,775.04 : x
  2. Step 2: Convert to fraction form
    191,896.32/287,863.68 = 58,775.04/x
  3. Step 3: Cross multiply
    191,896.32x = 287,863.68 × 58,775.04
  4. Step 4: Simplify right side
    191,896.32x = 16,919,199,306.55
  5. Step 5: Solve for x
    x = 16,919,199,306.55/191,896.32
  6. Step 6: Final answer
    x = 88,168.44

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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.