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Finding the Fourth Proportional to 100,066.03, 150,099.03 and 47,446.81

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Solution

The fourth proportional to 100,066.03, 150,099.03 and 47,446.81 is: 71,170.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,066.03 : 150,099.03 = 47,446.81 : x
  2. Step 2: Convert to fraction form
    100,066.03/150,099.03 = 47,446.81/x
  3. Step 3: Cross multiply
    100,066.03x = 150,099.03 × 47,446.81
  4. Step 4: Simplify right side
    100,066.03x = 7,121,720,157.59
  5. Step 5: Solve for x
    x = 7,121,720,157.59/100,066.03
  6. Step 6: Final answer
    x = 71,170.21

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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.