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Finding the Fourth Proportional to 104,728.60, 157,085.70 and 33,650.20

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Solution

The fourth proportional to 104,728.60, 157,085.70 and 33,650.20 is: 50,472.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.60 : 157,085.70 = 33,650.20 : x
  2. Step 2: Convert to fraction form
    104,728.60/157,085.70 = 33,650.20/x
  3. Step 3: Cross multiply
    104,728.60x = 157,085.70 × 33,650.20
  4. Step 4: Simplify right side
    104,728.60x = 5,285,965,222.14
  5. Step 5: Solve for x
    x = 5,285,965,222.14/104,728.60
  6. Step 6: Final answer
    x = 50,472.99

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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.