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Finding the Fourth Proportional to 254,240.75, 381,361.13 and 88,028.75

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Solution

The fourth proportional to 254,240.75, 381,361.13 and 88,028.75 is: 132,043.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,240.75 : 381,361.13 = 88,028.75 : x
  2. Step 2: Convert to fraction form
    254,240.75/381,361.13 = 88,028.75/x
  3. Step 3: Cross multiply
    254,240.75x = 381,361.13 × 88,028.75
  4. Step 4: Simplify right side
    254,240.75x = 33,570,743,572.49
  5. Step 5: Solve for x
    x = 33,570,743,572.49/254,240.75
  6. Step 6: Final answer
    x = 132,043.13

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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.