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Finding the Fourth Proportional to 100,079.82, 150,043.41 and 60,626.46

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Solution

The fourth proportional to 100,079.82, 150,043.41 and 60,626.46 is: 90,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,079.82 : 150,043.41 = 60,626.46 : x
  2. Step 2: Convert to fraction form
    100,079.82/150,043.41 = 60,626.46/x
  3. Step 3: Cross multiply
    100,079.82x = 150,043.41 × 60,626.46
  4. Step 4: Simplify right side
    100,079.82x = 9,096,600,794.63
  5. Step 5: Solve for x
    x = 9,096,600,794.63/100,079.82
  6. Step 6: Final answer
    x = 90,893.46

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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.