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Finding the Fourth Proportional to 160,958.60, 241,436.70 and 48,638.60

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Solution

The fourth proportional to 160,958.60, 241,436.70 and 48,638.60 is: 72,957.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,958.60 : 241,436.70 = 48,638.60 : x
  2. Step 2: Convert to fraction form
    160,958.60/241,436.70 = 48,638.60/x
  3. Step 3: Cross multiply
    160,958.60x = 241,436.70 × 48,638.60
  4. Step 4: Simplify right side
    160,958.60x = 11,743,143,076.62
  5. Step 5: Solve for x
    x = 11,743,143,076.62/160,958.60
  6. Step 6: Final answer
    x = 72,957.54

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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.