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Finding the Fourth Proportional to 100,994.75, 151,491.87 and 29,922.92

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Solution

The fourth proportional to 100,994.75, 151,491.87 and 29,922.92 is: 44,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,994.75 : 151,491.87 = 29,922.92 : x
  2. Step 2: Convert to fraction form
    100,994.75/151,491.87 = 29,922.92/x
  3. Step 3: Cross multiply
    100,994.75x = 151,491.87 × 29,922.92
  4. Step 4: Simplify right side
    100,994.75x = 4,533,078,917.30
  5. Step 5: Solve for x
    x = 4,533,078,917.30/100,994.75
  6. Step 6: Final answer
    x = 44,884.30

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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.