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Finding the Fourth Proportional to 99,674.80, 149,512.20 and 95,738.20

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Solution

The fourth proportional to 99,674.80, 149,512.20 and 95,738.20 is: 143,607.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,674.80 : 149,512.20 = 95,738.20 : x
  2. Step 2: Convert to fraction form
    99,674.80/149,512.20 = 95,738.20/x
  3. Step 3: Cross multiply
    99,674.80x = 149,512.20 × 95,738.20
  4. Step 4: Simplify right side
    99,674.80x = 14,314,028,906.04
  5. Step 5: Solve for x
    x = 14,314,028,906.04/99,674.80
  6. Step 6: Final answer
    x = 143,607.30

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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.