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Finding the Fourth Proportional to 232,820.20, 349,230.30 and 66,608.20

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Solution

The fourth proportional to 232,820.20, 349,230.30 and 66,608.20 is: 99,912.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    232,820.20 : 349,230.30 = 66,608.20 : x
  2. Step 2: Convert to fraction form
    232,820.20/349,230.30 = 66,608.20/x
  3. Step 3: Cross multiply
    232,820.20x = 349,230.30 × 66,608.20
  4. Step 4: Simplify right side
    232,820.20x = 23,261,601,668.46
  5. Step 5: Solve for x
    x = 23,261,601,668.46/232,820.20
  6. Step 6: Final answer
    x = 99,912.30

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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.