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Finding the Fourth Proportional to 100,064.94, 150,097.38 and 37,720.86

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Solution

The fourth proportional to 100,064.94, 150,097.38 and 37,720.86 is: 56,581.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,064.94 : 150,097.38 = 37,720.86 : x
  2. Step 2: Convert to fraction form
    100,064.94/150,097.38 = 37,720.86/x
  3. Step 3: Cross multiply
    100,064.94x = 150,097.38 × 37,720.86
  4. Step 4: Simplify right side
    100,064.94x = 5,661,802,257.35
  5. Step 5: Solve for x
    x = 5,661,802,257.35/100,064.94
  6. Step 6: Final answer
    x = 56,581.28

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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.