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Finding the Fourth Proportional to 110,406.60, 152,361.54 and 60,105.60

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Solution

The fourth proportional to 110,406.60, 152,361.54 and 60,105.60 is: 82,945.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,406.60 : 152,361.54 = 60,105.60 : x
  2. Step 2: Convert to fraction form
    110,406.60/152,361.54 = 60,105.60/x
  3. Step 3: Cross multiply
    110,406.60x = 152,361.54 × 60,105.60
  4. Step 4: Simplify right side
    110,406.60x = 9,157,781,778.62
  5. Step 5: Solve for x
    x = 9,157,781,778.62/110,406.60
  6. Step 6: Final answer
    x = 82,945.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.