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Finding the Fourth Proportional to 100,245.75, 150,251.99 and 41,009.64

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Solution

The fourth proportional to 100,245.75, 150,251.99 and 41,009.64 is: 61,466.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,245.75 : 150,251.99 = 41,009.64 : x
  2. Step 2: Convert to fraction form
    100,245.75/150,251.99 = 41,009.64/x
  3. Step 3: Cross multiply
    100,245.75x = 150,251.99 × 41,009.64
  4. Step 4: Simplify right side
    100,245.75x = 6,161,779,814.14
  5. Step 5: Solve for x
    x = 6,161,779,814.14/100,245.75
  6. Step 6: Final answer
    x = 61,466.74

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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.