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Finding the Fourth Proportional to 101,172.79, 151,757.97 and 26,286.31

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Solution

The fourth proportional to 101,172.79, 151,757.97 and 26,286.31 is: 39,429.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,172.79 : 151,757.97 = 26,286.31 : x
  2. Step 2: Convert to fraction form
    101,172.79/151,757.97 = 26,286.31/x
  3. Step 3: Cross multiply
    101,172.79x = 151,757.97 × 26,286.31
  4. Step 4: Simplify right side
    101,172.79x = 3,989,157,044.39
  5. Step 5: Solve for x
    x = 3,989,157,044.39/101,172.79
  6. Step 6: Final answer
    x = 39,429.15

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1.5x scale

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.