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Finding the Fourth Proportional to 66,682.20, 100,096.20 and 41,750.40

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Solution

The fourth proportional to 66,682.20, 100,096.20 and 41,750.40 is: 62,671.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,682.20 : 100,096.20 = 41,750.40 : x
  2. Step 2: Convert to fraction form
    66,682.20/100,096.20 = 41,750.40/x
  3. Step 3: Cross multiply
    66,682.20x = 100,096.20 × 41,750.40
  4. Step 4: Simplify right side
    66,682.20x = 4,179,056,388.48
  5. Step 5: Solve for x
    x = 4,179,056,388.48/66,682.20
  6. Step 6: Final answer
    x = 62,671.24

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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.