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Finding the Fourth Proportional to 104,726.60, 157,082.70 and 33,648.20

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Solution

The fourth proportional to 104,726.60, 157,082.70 and 33,648.20 is: 50,469.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,726.60 : 157,082.70 = 33,648.20 : x
  2. Step 2: Convert to fraction form
    104,726.60/157,082.70 = 33,648.20/x
  3. Step 3: Cross multiply
    104,726.60x = 157,082.70 × 33,648.20
  4. Step 4: Simplify right side
    104,726.60x = 5,285,550,106.14
  5. Step 5: Solve for x
    x = 5,285,550,106.14/104,726.60
  6. Step 6: Final answer
    x = 50,469.99

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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.