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Finding the Fourth Proportional to 131,038.56, 196,557.72 and 32,542.56

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Solution

The fourth proportional to 131,038.56, 196,557.72 and 32,542.56 is: 48,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,038.56 : 196,557.72 = 32,542.56 : x
  2. Step 2: Convert to fraction form
    131,038.56/196,557.72 = 32,542.56/x
  3. Step 3: Cross multiply
    131,038.56x = 196,557.72 × 32,542.56
  4. Step 4: Simplify right side
    131,038.56x = 6,396,491,396.56
  5. Step 5: Solve for x
    x = 6,396,491,396.56/131,038.56
  6. Step 6: Final answer
    x = 48,813.81

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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.