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Finding the Fourth Proportional to 133,249.76, 184,035.84 and 90,734.48

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Solution

The fourth proportional to 133,249.76, 184,035.84 and 90,734.48 is: 125,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,249.76 : 184,035.84 = 90,734.48 : x
  2. Step 2: Convert to fraction form
    133,249.76/184,035.84 = 90,734.48/x
  3. Step 3: Cross multiply
    133,249.76x = 184,035.84 × 90,734.48
  4. Step 4: Simplify right side
    133,249.76x = 16,698,396,243.76
  5. Step 5: Solve for x
    x = 16,698,396,243.76/133,249.76
  6. Step 6: Final answer
    x = 125,316.52

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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.