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Finding the Fourth Proportional to 100,715.40, 151,040.75 and 33,232.32

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Solution

The fourth proportional to 100,715.40, 151,040.75 and 33,232.32 is: 49,837.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,715.40 : 151,040.75 = 33,232.32 : x
  2. Step 2: Convert to fraction form
    100,715.40/151,040.75 = 33,232.32/x
  3. Step 3: Cross multiply
    100,715.40x = 151,040.75 × 33,232.32
  4. Step 4: Simplify right side
    100,715.40x = 5,019,434,370.88
  5. Step 5: Solve for x
    x = 5,019,434,370.88/100,715.40
  6. Step 6: Final answer
    x = 49,837.80

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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.