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Finding the Fourth Proportional to 75,199.86, 112,795.64 and 25,274.80

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Solution

The fourth proportional to 75,199.86, 112,795.64 and 25,274.80 is: 37,910.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,199.86 : 112,795.64 = 25,274.80 : x
  2. Step 2: Convert to fraction form
    75,199.86/112,795.64 = 25,274.80/x
  3. Step 3: Cross multiply
    75,199.86x = 112,795.64 × 25,274.80
  4. Step 4: Simplify right side
    75,199.86x = 2,850,887,241.87
  5. Step 5: Solve for x
    x = 2,850,887,241.87/75,199.86
  6. Step 6: Final answer
    x = 37,910.81

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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.