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Finding the Fourth Proportional to 181,082.48, 271,638.24 and 68,816.48

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Solution

The fourth proportional to 181,082.48, 271,638.24 and 68,816.48 is: 103,230.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,082.48 : 271,638.24 = 68,816.48 : x
  2. Step 2: Convert to fraction form
    181,082.48/271,638.24 = 68,816.48/x
  3. Step 3: Cross multiply
    181,082.48x = 271,638.24 × 68,816.48
  4. Step 4: Simplify right side
    181,082.48x = 18,693,187,510.20
  5. Step 5: Solve for x
    x = 18,693,187,510.20/181,082.48
  6. Step 6: Final answer
    x = 103,230.24

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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.