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Finding the Fourth Proportional to 181,201.60, 271,705.20 and 75,901.60

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Solution

The fourth proportional to 181,201.60, 271,705.20 and 75,901.60 is: 113,811.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,201.60 : 271,705.20 = 75,901.60 : x
  2. Step 2: Convert to fraction form
    181,201.60/271,705.20 = 75,901.60/x
  3. Step 3: Cross multiply
    181,201.60x = 271,705.20 × 75,901.60
  4. Step 4: Simplify right side
    181,201.60x = 20,622,859,408.32
  5. Step 5: Solve for x
    x = 20,622,859,408.32/181,201.60
  6. Step 6: Final answer
    x = 113,811.68

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1.5x scale

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.