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Finding the Fourth Proportional to 147,363.29, 203,361.34 and 80,295.29

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Solution

The fourth proportional to 147,363.29, 203,361.34 and 80,295.29 is: 110,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,363.29 : 203,361.34 = 80,295.29 : x
  2. Step 2: Convert to fraction form
    147,363.29/203,361.34 = 80,295.29/x
  3. Step 3: Cross multiply
    147,363.29x = 203,361.34 × 80,295.29
  4. Step 4: Simplify right side
    147,363.29x = 16,328,957,691.53
  5. Step 5: Solve for x
    x = 16,328,957,691.53/147,363.29
  6. Step 6: Final answer
    x = 110,807.50

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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.