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Finding the Fourth Proportional to 101,768.63, 152,611.94 and 30,669.26

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Solution

The fourth proportional to 101,768.63, 152,611.94 and 30,669.26 is: 45,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,768.63 : 152,611.94 = 30,669.26 : x
  2. Step 2: Convert to fraction form
    101,768.63/152,611.94 = 30,669.26/x
  3. Step 3: Cross multiply
    101,768.63x = 152,611.94 × 30,669.26
  4. Step 4: Simplify right side
    101,768.63x = 4,680,494,794.16
  5. Step 5: Solve for x
    x = 4,680,494,794.16/101,768.63
  6. Step 6: Final answer
    x = 45,991.53

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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.