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Finding the Fourth Proportional to 96,679.60, 144,961.08 and 43,361.88

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Solution

The fourth proportional to 96,679.60, 144,961.08 and 43,361.88 is: 65,016.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,679.60 : 144,961.08 = 43,361.88 : x
  2. Step 2: Convert to fraction form
    96,679.60/144,961.08 = 43,361.88/x
  3. Step 3: Cross multiply
    96,679.60x = 144,961.08 × 43,361.88
  4. Step 4: Simplify right side
    96,679.60x = 6,285,784,955.63
  5. Step 5: Solve for x
    x = 6,285,784,955.63/96,679.60
  6. Step 6: Final answer
    x = 65,016.66

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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.