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Finding the Fourth Proportional to 114,336.73, 157,734.42 and 68,989.42

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Solution

The fourth proportional to 114,336.73, 157,734.42 and 68,989.42 is: 95,175.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,336.73 : 157,734.42 = 68,989.42 : x
  2. Step 2: Convert to fraction form
    114,336.73/157,734.42 = 68,989.42/x
  3. Step 3: Cross multiply
    114,336.73x = 157,734.42 × 68,989.42
  4. Step 4: Simplify right side
    114,336.73x = 10,882,005,361.16
  5. Step 5: Solve for x
    x = 10,882,005,361.16/114,336.73
  6. Step 6: Final answer
    x = 95,175.07

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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.