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Finding the Fourth Proportional to 104,872.60, 157,301.70 and 33,794.20

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Solution

The fourth proportional to 104,872.60, 157,301.70 and 33,794.20 is: 50,688.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,872.60 : 157,301.70 = 33,794.20 : x
  2. Step 2: Convert to fraction form
    104,872.60/157,301.70 = 33,794.20/x
  3. Step 3: Cross multiply
    104,872.60x = 157,301.70 × 33,794.20
  4. Step 4: Simplify right side
    104,872.60x = 5,315,885,110.14
  5. Step 5: Solve for x
    x = 5,315,885,110.14/104,872.60
  6. Step 6: Final answer
    x = 50,688.98

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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.