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Finding the Fourth Proportional to 114,550.20, 171,898.20 and 67,165.20

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Solution

The fourth proportional to 114,550.20, 171,898.20 and 67,165.20 is: 100,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,550.20 : 171,898.20 = 67,165.20 : x
  2. Step 2: Convert to fraction form
    114,550.20/171,898.20 = 67,165.20/x
  3. Step 3: Cross multiply
    114,550.20x = 171,898.20 × 67,165.20
  4. Step 4: Simplify right side
    114,550.20x = 11,545,576,982.64
  5. Step 5: Solve for x
    x = 11,545,576,982.64/114,550.20
  6. Step 6: Final answer
    x = 100,790.54

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1.5x scale

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.