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Finding the Fourth Proportional to 100,603.68, 150,882.12 and 37,453.56

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Solution

The fourth proportional to 100,603.68, 150,882.12 and 37,453.56 is: 56,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,603.68 : 150,882.12 = 37,453.56 : x
  2. Step 2: Convert to fraction form
    100,603.68/150,882.12 = 37,453.56/x
  3. Step 3: Cross multiply
    100,603.68x = 150,882.12 × 37,453.56
  4. Step 4: Simplify right side
    100,603.68x = 5,651,072,534.35
  5. Step 5: Solve for x
    x = 5,651,072,534.35/100,603.68
  6. Step 6: Final answer
    x = 56,171.63

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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.