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Finding the Fourth Proportional to 133,540.84, 184,221.54 and 88,236.52

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Solution

The fourth proportional to 133,540.84, 184,221.54 and 88,236.52 is: 121,723.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,540.84 : 184,221.54 = 88,236.52 : x
  2. Step 2: Convert to fraction form
    133,540.84/184,221.54 = 88,236.52/x
  3. Step 3: Cross multiply
    133,540.84x = 184,221.54 × 88,236.52
  4. Step 4: Simplify right side
    133,540.84x = 16,255,067,598.64
  5. Step 5: Solve for x
    x = 16,255,067,598.64/133,540.84
  6. Step 6: Final answer
    x = 121,723.57

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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.