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Finding the Fourth Proportional to 68,153.44, 102,082.38 and 33,019.42

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Solution

The fourth proportional to 68,153.44, 102,082.38 and 33,019.42 is: 49,457.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,153.44 : 102,082.38 = 33,019.42 : x
  2. Step 2: Convert to fraction form
    68,153.44/102,082.38 = 33,019.42/x
  3. Step 3: Cross multiply
    68,153.44x = 102,082.38 × 33,019.42
  4. Step 4: Simplify right side
    68,153.44x = 3,370,700,979.82
  5. Step 5: Solve for x
    x = 3,370,700,979.82/68,153.44
  6. Step 6: Final answer
    x = 49,457.53

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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.