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Finding the Fourth Proportional to 75,187.50, 103,760.01 and 41,195.40

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Solution

The fourth proportional to 75,187.50, 103,760.01 and 41,195.40 is: 56,850.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,187.50 : 103,760.01 = 41,195.40 : x
  2. Step 2: Convert to fraction form
    75,187.50/103,760.01 = 41,195.40/x
  3. Step 3: Cross multiply
    75,187.50x = 103,760.01 × 41,195.40
  4. Step 4: Simplify right side
    75,187.50x = 4,274,435,115.95
  5. Step 5: Solve for x
    x = 4,274,435,115.95/75,187.50
  6. Step 6: Final answer
    x = 56,850.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.