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Finding the Fourth Proportional to 114,336.54, 157,839.27 and 80,374.14

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Solution

The fourth proportional to 114,336.54, 157,839.27 and 80,374.14 is: 110,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,336.54 : 157,839.27 = 80,374.14 : x
  2. Step 2: Convert to fraction form
    114,336.54/157,839.27 = 80,374.14/x
  3. Step 3: Cross multiply
    114,336.54x = 157,839.27 × 80,374.14
  4. Step 4: Simplify right side
    114,336.54x = 12,686,195,584.48
  5. Step 5: Solve for x
    x = 12,686,195,584.48/114,336.54
  6. Step 6: Final answer
    x = 110,954.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.