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Finding the Fourth Proportional to 54,859.68, 82,401.30 and 36,166.50

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Solution

The fourth proportional to 54,859.68, 82,401.30 and 36,166.50 is: 54,323.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,859.68 : 82,401.30 = 36,166.50 : x
  2. Step 2: Convert to fraction form
    54,859.68/82,401.30 = 36,166.50/x
  3. Step 3: Cross multiply
    54,859.68x = 82,401.30 × 36,166.50
  4. Step 4: Simplify right side
    54,859.68x = 2,980,166,616.45
  5. Step 5: Solve for x
    x = 2,980,166,616.45/54,859.68
  6. Step 6: Final answer
    x = 54,323.44

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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.