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Finding the Fourth Proportional to 100,302.47, 150,453.48 and 25,422.41

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Solution

The fourth proportional to 100,302.47, 150,453.48 and 25,422.41 is: 38,133.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,302.47 : 150,453.48 = 25,422.41 : x
  2. Step 2: Convert to fraction form
    100,302.47/150,453.48 = 25,422.41/x
  3. Step 3: Cross multiply
    100,302.47x = 150,453.48 × 25,422.41
  4. Step 4: Simplify right side
    100,302.47x = 3,824,890,054.49
  5. Step 5: Solve for x
    x = 3,824,890,054.49/100,302.47
  6. Step 6: Final answer
    x = 38,133.56

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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.