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Finding the Fourth Proportional to 227,429.70, 341,472.60 and 171,661.20

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Solution

The fourth proportional to 227,429.70, 341,472.60 and 171,661.20 is: 257,739.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,429.70 : 341,472.60 = 171,661.20 : x
  2. Step 2: Convert to fraction form
    227,429.70/341,472.60 = 171,661.20/x
  3. Step 3: Cross multiply
    227,429.70x = 341,472.60 × 171,661.20
  4. Step 4: Simplify right side
    227,429.70x = 58,617,596,283.12
  5. Step 5: Solve for x
    x = 58,617,596,283.12/227,429.70
  6. Step 6: Final answer
    x = 257,739.41

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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.