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Finding the Fourth Proportional to 110,915.84, 166,374.48 and 44,361.56

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Solution

The fourth proportional to 110,915.84, 166,374.48 and 44,361.56 is: 66,542.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,915.84 : 166,374.48 = 44,361.56 : x
  2. Step 2: Convert to fraction form
    110,915.84/166,374.48 = 44,361.56/x
  3. Step 3: Cross multiply
    110,915.84x = 166,374.48 × 44,361.56
  4. Step 4: Simplify right side
    110,915.84x = 7,380,631,476.99
  5. Step 5: Solve for x
    x = 7,380,631,476.99/110,915.84
  6. Step 6: Final answer
    x = 66,542.63

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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.