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Finding the Fourth Proportional to 101,571.24, 152,314.74 and 38,380.44

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Solution

The fourth proportional to 101,571.24, 152,314.74 and 38,380.44 is: 57,554.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,571.24 : 152,314.74 = 38,380.44 : x
  2. Step 2: Convert to fraction form
    101,571.24/152,314.74 = 38,380.44/x
  3. Step 3: Cross multiply
    101,571.24x = 152,314.74 × 38,380.44
  4. Step 4: Simplify right side
    101,571.24x = 5,845,906,739.69
  5. Step 5: Solve for x
    x = 5,845,906,739.69/101,571.24
  6. Step 6: Final answer
    x = 57,554.74

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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.