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Finding the Fourth Proportional to 104,792.42, 157,100.44 and 45,583.48

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Solution

The fourth proportional to 104,792.42, 157,100.44 and 45,583.48 is: 68,336.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,792.42 : 157,100.44 = 45,583.48 : x
  2. Step 2: Convert to fraction form
    104,792.42/157,100.44 = 45,583.48/x
  3. Step 3: Cross multiply
    104,792.42x = 157,100.44 × 45,583.48
  4. Step 4: Simplify right side
    104,792.42x = 7,161,184,764.73
  5. Step 5: Solve for x
    x = 7,161,184,764.73/104,792.42
  6. Step 6: Final answer
    x = 68,336.86

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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.