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Finding the Fourth Proportional to 160,633.53, 221,679.99 and 96,958.89

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Solution

The fourth proportional to 160,633.53, 221,679.99 and 96,958.89 is: 133,806.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,633.53 : 221,679.99 = 96,958.89 : x
  2. Step 2: Convert to fraction form
    160,633.53/221,679.99 = 96,958.89/x
  3. Step 3: Cross multiply
    160,633.53x = 221,679.99 × 96,958.89
  4. Step 4: Simplify right side
    160,633.53x = 21,493,845,765.61
  5. Step 5: Solve for x
    x = 21,493,845,765.61/160,633.53
  6. Step 6: Final answer
    x = 133,806.72

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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.