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Finding the Fourth Proportional to 134,585.64, 184,383 and 129,540.96

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Solution

The fourth proportional to 134,585.64, 184,383 and 129,540.96 is: 177,471.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,585.64 : 184,383 = 129,540.96 : x
  2. Step 2: Convert to fraction form
    134,585.64/184,383 = 129,540.96/x
  3. Step 3: Cross multiply
    134,585.64x = 184,383 × 129,540.96
  4. Step 4: Simplify right side
    134,585.64x = 23,885,150,827.68
  5. Step 5: Solve for x
    x = 23,885,150,827.68/134,585.64
  6. Step 6: Final answer
    x = 177,471.76

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.