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Finding the Fourth Proportional to 104,329.99, 156,251.59 and 76,180.21

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Solution

The fourth proportional to 104,329.99, 156,251.59 and 76,180.21 is: 114,092.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,329.99 : 156,251.59 = 76,180.21 : x
  2. Step 2: Convert to fraction form
    104,329.99/156,251.59 = 76,180.21/x
  3. Step 3: Cross multiply
    104,329.99x = 156,251.59 × 76,180.21
  4. Step 4: Simplify right side
    104,329.99x = 11,903,278,939.03
  5. Step 5: Solve for x
    x = 11,903,278,939.03/104,329.99
  6. Step 6: Final answer
    x = 114,092.59

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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.