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Finding the Fourth Proportional to 141,760.53, 212,668.74 and 40,559.54

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Solution

The fourth proportional to 141,760.53, 212,668.74 and 40,559.54 is: 60,847.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,760.53 : 212,668.74 = 40,559.54 : x
  2. Step 2: Convert to fraction form
    141,760.53/212,668.74 = 40,559.54/x
  3. Step 3: Cross multiply
    141,760.53x = 212,668.74 × 40,559.54
  4. Step 4: Simplify right side
    141,760.53x = 8,625,745,203.44
  5. Step 5: Solve for x
    x = 8,625,745,203.44/141,760.53
  6. Step 6: Final answer
    x = 60,847.30

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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.