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Finding the Fourth Proportional to 161,618.92, 241,981.26 and 82,562.92

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Solution

The fourth proportional to 161,618.92, 241,981.26 and 82,562.92 is: 123,615.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,618.92 : 241,981.26 = 82,562.92 : x
  2. Step 2: Convert to fraction form
    161,618.92/241,981.26 = 82,562.92/x
  3. Step 3: Cross multiply
    161,618.92x = 241,981.26 × 82,562.92
  4. Step 4: Simplify right side
    161,618.92x = 19,978,679,410.88
  5. Step 5: Solve for x
    x = 19,978,679,410.88/161,618.92
  6. Step 6: Final answer
    x = 123,615.97

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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.