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Finding the Fourth Proportional to 60,563.80, 90,716.10 and 53,997.40

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Solution

The fourth proportional to 60,563.80, 90,716.10 and 53,997.40 is: 80,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,563.80 : 90,716.10 = 53,997.40 : x
  2. Step 2: Convert to fraction form
    60,563.80/90,716.10 = 53,997.40/x
  3. Step 3: Cross multiply
    60,563.80x = 90,716.10 × 53,997.40
  4. Step 4: Simplify right side
    60,563.80x = 4,898,433,538.14
  5. Step 5: Solve for x
    x = 4,898,433,538.14/60,563.80
  6. Step 6: Final answer
    x = 80,880.55

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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.