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Finding the Fourth Proportional to 161,274.92, 241,912.11 and 66,558.38

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Solution

The fourth proportional to 161,274.92, 241,912.11 and 66,558.38 is: 99,837.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,274.92 : 241,912.11 = 66,558.38 : x
  2. Step 2: Convert to fraction form
    161,274.92/241,912.11 = 66,558.38/x
  3. Step 3: Cross multiply
    161,274.92x = 241,912.11 × 66,558.38
  4. Step 4: Simplify right side
    161,274.92x = 16,101,278,143.98
  5. Step 5: Solve for x
    x = 16,101,278,143.98/161,274.92
  6. Step 6: Final answer
    x = 99,837.46

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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.