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Finding the Fourth Proportional to 181,344.60, 271,919.70 and 76,044.60

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Solution

The fourth proportional to 181,344.60, 271,919.70 and 76,044.60 is: 114,026.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,344.60 : 271,919.70 = 76,044.60 : x
  2. Step 2: Convert to fraction form
    181,344.60/271,919.70 = 76,044.60/x
  3. Step 3: Cross multiply
    181,344.60x = 271,919.70 × 76,044.60
  4. Step 4: Simplify right side
    181,344.60x = 20,678,024,818.62
  5. Step 5: Solve for x
    x = 20,678,024,818.62/181,344.60
  6. Step 6: Final answer
    x = 114,026.14

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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.