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Finding the Fourth Proportional to 100,749.25, 150,832.05 and 75,893.98

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Solution

The fourth proportional to 100,749.25, 150,832.05 and 75,893.98 is: 113,621.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,749.25 : 150,832.05 = 75,893.98 : x
  2. Step 2: Convert to fraction form
    100,749.25/150,832.05 = 75,893.98/x
  3. Step 3: Cross multiply
    100,749.25x = 150,832.05 × 75,893.98
  4. Step 4: Simplify right side
    100,749.25x = 11,447,244,586.06
  5. Step 5: Solve for x
    x = 11,447,244,586.06/100,749.25
  6. Step 6: Final answer
    x = 113,621.14

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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.