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Finding the Fourth Proportional to 181,181.96, 271,717.59 and 86,362.19

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Solution

The fourth proportional to 181,181.96, 271,717.59 and 86,362.19 is: 129,516.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,181.96 : 271,717.59 = 86,362.19 : x
  2. Step 2: Convert to fraction form
    181,181.96/271,717.59 = 86,362.19/x
  3. Step 3: Cross multiply
    181,181.96x = 271,717.59 × 86,362.19
  4. Step 4: Simplify right side
    181,181.96x = 23,466,126,133.92
  5. Step 5: Solve for x
    x = 23,466,126,133.92/181,181.96
  6. Step 6: Final answer
    x = 129,516.90

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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.