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Finding the Fourth Proportional to 133,380.39, 184,053.80 and 75,233.91

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Solution

The fourth proportional to 133,380.39, 184,053.80 and 75,233.91 is: 103,816.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,380.39 : 184,053.80 = 75,233.91 : x
  2. Step 2: Convert to fraction form
    133,380.39/184,053.80 = 75,233.91/x
  3. Step 3: Cross multiply
    133,380.39x = 184,053.80 × 75,233.91
  4. Step 4: Simplify right side
    133,380.39x = 13,847,086,983.06
  5. Step 5: Solve for x
    x = 13,847,086,983.06/133,380.39
  6. Step 6: Final answer
    x = 103,816.51

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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.