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Finding the Fourth Proportional to 181,108.51, 271,662.76 and 68,788.45

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Solution

The fourth proportional to 181,108.51, 271,662.76 and 68,788.45 is: 103,182.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,108.51 : 271,662.76 = 68,788.45 : x
  2. Step 2: Convert to fraction form
    181,108.51/271,662.76 = 68,788.45/x
  3. Step 3: Cross multiply
    181,108.51x = 271,662.76 × 68,788.45
  4. Step 4: Simplify right side
    181,108.51x = 18,687,260,183.12
  5. Step 5: Solve for x
    x = 18,687,260,183.12/181,108.51
  6. Step 6: Final answer
    x = 103,182.67

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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.