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Finding the Fourth Proportional to 100,954.20, 151,409.70 and 44,794.20

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Solution

The fourth proportional to 100,954.20, 151,409.70 and 44,794.20 is: 67,181.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,954.20 : 151,409.70 = 44,794.20 : x
  2. Step 2: Convert to fraction form
    100,954.20/151,409.70 = 44,794.20/x
  3. Step 3: Cross multiply
    100,954.20x = 151,409.70 × 44,794.20
  4. Step 4: Simplify right side
    100,954.20x = 6,782,276,383.74
  5. Step 5: Solve for x
    x = 6,782,276,383.74/100,954.20
  6. Step 6: Final answer
    x = 67,181.72

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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.