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Finding the Fourth Proportional to 149,692.44, 224,530.16 and 90,512.22

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Solution

The fourth proportional to 149,692.44, 224,530.16 and 90,512.22 is: 135,763.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,692.44 : 224,530.16 = 90,512.22 : x
  2. Step 2: Convert to fraction form
    149,692.44/224,530.16 = 90,512.22/x
  3. Step 3: Cross multiply
    149,692.44x = 224,530.16 × 90,512.22
  4. Step 4: Simplify right side
    149,692.44x = 20,322,722,785.99
  5. Step 5: Solve for x
    x = 20,322,722,785.99/149,692.44
  6. Step 6: Final answer
    x = 135,763.19

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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.