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Finding the Fourth Proportional to 94,975, 131,091.41 and 59,143.84

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Solution

The fourth proportional to 94,975, 131,091.41 and 59,143.84 is: 81,634.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,975 : 131,091.41 = 59,143.84 : x
  2. Step 2: Convert to fraction form
    94,975/131,091.41 = 59,143.84/x
  3. Step 3: Cross multiply
    94,975x = 131,091.41 × 59,143.84
  4. Step 4: Simplify right side
    94,975x = 7,753,249,378.41
  5. Step 5: Solve for x
    x = 7,753,249,378.41/94,975
  6. Step 6: Final answer
    x = 81,634.63

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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.