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Finding the Fourth Proportional to 100,443.71, 150,649.09 and 37,249.00

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Solution

The fourth proportional to 100,443.71, 150,649.09 and 37,249.00 is: 55,867.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,443.71 : 150,649.09 = 37,249.00 : x
  2. Step 2: Convert to fraction form
    100,443.71/150,649.09 = 37,249.00/x
  3. Step 3: Cross multiply
    100,443.71x = 150,649.09 × 37,249.00
  4. Step 4: Simplify right side
    100,443.71x = 5,611,527,483.66
  5. Step 5: Solve for x
    x = 5,611,527,483.66/100,443.71
  6. Step 6: Final answer
    x = 55,867.38

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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.