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Finding the Fourth Proportional to 265,086.74, 397,674.77 and 122,874.37

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Solution

The fourth proportional to 265,086.74, 397,674.77 and 122,874.37 is: 184,332.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,086.74 : 397,674.77 = 122,874.37 : x
  2. Step 2: Convert to fraction form
    265,086.74/397,674.77 = 122,874.37/x
  3. Step 3: Cross multiply
    265,086.74x = 397,674.77 × 122,874.37
  4. Step 4: Simplify right side
    265,086.74x = 48,864,035,220.09
  5. Step 5: Solve for x
    x = 48,864,035,220.09/265,086.74
  6. Step 6: Final answer
    x = 184,332.25

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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.