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Finding the Fourth Proportional to 174,989.20, 262,192.20 and 164,491.60

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Solution

The fourth proportional to 174,989.20, 262,192.20 and 164,491.60 is: 246,463.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,989.20 : 262,192.20 = 164,491.60 : x
  2. Step 2: Convert to fraction form
    174,989.20/262,192.20 = 164,491.60/x
  3. Step 3: Cross multiply
    174,989.20x = 262,192.20 × 164,491.60
  4. Step 4: Simplify right side
    174,989.20x = 43,128,414,485.52
  5. Step 5: Solve for x
    x = 43,128,414,485.52/174,989.20
  6. Step 6: Final answer
    x = 246,463.29

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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.