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Finding the Fourth Proportional to 48,118.80, 72,091.80 and 41,206.80

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Solution

The fourth proportional to 48,118.80, 72,091.80 and 41,206.80 is: 61,736.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,118.80 : 72,091.80 = 41,206.80 : x
  2. Step 2: Convert to fraction form
    48,118.80/72,091.80 = 41,206.80/x
  3. Step 3: Cross multiply
    48,118.80x = 72,091.80 × 41,206.80
  4. Step 4: Simplify right side
    48,118.80x = 2,970,672,384.24
  5. Step 5: Solve for x
    x = 2,970,672,384.24/48,118.80
  6. Step 6: Final answer
    x = 61,736.21

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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.