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Finding the Fourth Proportional to 92,896.22, 128,197 and 50,453.84

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Solution

The fourth proportional to 92,896.22, 128,197 and 50,453.84 is: 69,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,896.22 : 128,197 = 50,453.84 : x
  2. Step 2: Convert to fraction form
    92,896.22/128,197 = 50,453.84/x
  3. Step 3: Cross multiply
    92,896.22x = 128,197 × 50,453.84
  4. Step 4: Simplify right side
    92,896.22x = 6,468,030,926.48
  5. Step 5: Solve for x
    x = 6,468,030,926.48/92,896.22
  6. Step 6: Final answer
    x = 69,626.42

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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.