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Finding the Fourth Proportional to 100,846.26, 151,337.44 and 75,904.74

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Solution

The fourth proportional to 100,846.26, 151,337.44 and 75,904.74 is: 113,908.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,846.26 : 151,337.44 = 75,904.74 : x
  2. Step 2: Convert to fraction form
    100,846.26/151,337.44 = 75,904.74/x
  3. Step 3: Cross multiply
    100,846.26x = 151,337.44 × 75,904.74
  4. Step 4: Simplify right side
    100,846.26x = 11,487,229,035.47
  5. Step 5: Solve for x
    x = 11,487,229,035.47/100,846.26
  6. Step 6: Final answer
    x = 113,908.33

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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.