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Finding the Fourth Proportional to 174,520.69, 262,174.70 and 104,449.21

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Solution

The fourth proportional to 174,520.69, 262,174.70 and 104,449.21 is: 156,909.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,520.69 : 262,174.70 = 104,449.21 : x
  2. Step 2: Convert to fraction form
    174,520.69/262,174.70 = 104,449.21/x
  3. Step 3: Cross multiply
    174,520.69x = 262,174.70 × 104,449.21
  4. Step 4: Simplify right side
    174,520.69x = 27,383,940,296.99
  5. Step 5: Solve for x
    x = 27,383,940,296.99/174,520.69
  6. Step 6: Final answer
    x = 156,909.42

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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.