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Finding the Fourth Proportional to 181,182.96, 271,719.09 and 86,363.19

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Solution

The fourth proportional to 181,182.96, 271,719.09 and 86,363.19 is: 129,518.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,182.96 : 271,719.09 = 86,363.19 : x
  2. Step 2: Convert to fraction form
    181,182.96/271,719.09 = 86,363.19/x
  3. Step 3: Cross multiply
    181,182.96x = 271,719.09 × 86,363.19
  4. Step 4: Simplify right side
    181,182.96x = 23,466,527,396.30
  5. Step 5: Solve for x
    x = 23,466,527,396.30/181,182.96
  6. Step 6: Final answer
    x = 129,518.40

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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.