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Finding the Fourth Proportional to 181,359.60, 271,942.20 and 76,059.60

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Solution

The fourth proportional to 181,359.60, 271,942.20 and 76,059.60 is: 114,048.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,359.60 : 271,942.20 = 76,059.60 : x
  2. Step 2: Convert to fraction form
    181,359.60/271,942.20 = 76,059.60/x
  3. Step 3: Cross multiply
    181,359.60x = 271,942.20 × 76,059.60
  4. Step 4: Simplify right side
    181,359.60x = 20,683,814,955.12
  5. Step 5: Solve for x
    x = 20,683,814,955.12/181,359.60
  6. Step 6: Final answer
    x = 114,048.64

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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.