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Finding the Fourth Proportional to 181,346.60, 271,922.70 and 76,046.60

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Solution

The fourth proportional to 181,346.60, 271,922.70 and 76,046.60 is: 114,029.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,346.60 : 271,922.70 = 76,046.60 : x
  2. Step 2: Convert to fraction form
    181,346.60/271,922.70 = 76,046.60/x
  3. Step 3: Cross multiply
    181,346.60x = 271,922.70 × 76,046.60
  4. Step 4: Simplify right side
    181,346.60x = 20,678,796,797.82
  5. Step 5: Solve for x
    x = 20,678,796,797.82/181,346.60
  6. Step 6: Final answer
    x = 114,029.14

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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.