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Finding the Fourth Proportional to 104,906.21, 157,496.49 and 62,289.45

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Solution

The fourth proportional to 104,906.21, 157,496.49 and 62,289.45 is: 93,515.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.21 : 157,496.49 = 62,289.45 : x
  2. Step 2: Convert to fraction form
    104,906.21/157,496.49 = 62,289.45/x
  3. Step 3: Cross multiply
    104,906.21x = 157,496.49 × 62,289.45
  4. Step 4: Simplify right side
    104,906.21x = 9,810,369,739.03
  5. Step 5: Solve for x
    x = 9,810,369,739.03/104,906.21
  6. Step 6: Final answer
    x = 93,515.63

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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.