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Finding the Fourth Proportional to 114,540.84, 171,707.58 and 40,651.56

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Solution

The fourth proportional to 114,540.84, 171,707.58 and 40,651.56 is: 60,940.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,540.84 : 171,707.58 = 40,651.56 : x
  2. Step 2: Convert to fraction form
    114,540.84/171,707.58 = 40,651.56/x
  3. Step 3: Cross multiply
    114,540.84x = 171,707.58 × 40,651.56
  4. Step 4: Simplify right side
    114,540.84x = 6,980,180,990.82
  5. Step 5: Solve for x
    x = 6,980,180,990.82/114,540.84
  6. Step 6: Final answer
    x = 60,940.54

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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.