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Finding the Fourth Proportional to 160,986.70, 241,512.45 and 134,872.30

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Solution

The fourth proportional to 160,986.70, 241,512.45 and 134,872.30 is: 202,335.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,986.70 : 241,512.45 = 134,872.30 : x
  2. Step 2: Convert to fraction form
    160,986.70/241,512.45 = 134,872.30/x
  3. Step 3: Cross multiply
    160,986.70x = 241,512.45 × 134,872.30
  4. Step 4: Simplify right side
    160,986.70x = 32,573,339,610.14
  5. Step 5: Solve for x
    x = 32,573,339,610.14/160,986.70
  6. Step 6: Final answer
    x = 202,335.59

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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.