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Finding the Fourth Proportional to 143,691.96, 215,486.04 and 60,592.44

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Solution

The fourth proportional to 143,691.96, 215,486.04 and 60,592.44 is: 90,866.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,691.96 : 215,486.04 = 60,592.44 : x
  2. Step 2: Convert to fraction form
    143,691.96/215,486.04 = 60,592.44/x
  3. Step 3: Cross multiply
    143,691.96x = 215,486.04 × 60,592.44
  4. Step 4: Simplify right side
    143,691.96x = 13,056,824,949.54
  5. Step 5: Solve for x
    x = 13,056,824,949.54/143,691.96
  6. Step 6: Final answer
    x = 90,866.77

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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.