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Finding the Fourth Proportional to 160,936.80, 241,405.20 and 159,770.40

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Solution

The fourth proportional to 160,936.80, 241,405.20 and 159,770.40 is: 239,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,936.80 : 241,405.20 = 159,770.40 : x
  2. Step 2: Convert to fraction form
    160,936.80/241,405.20 = 159,770.40/x
  3. Step 3: Cross multiply
    160,936.80x = 241,405.20 × 159,770.40
  4. Step 4: Simplify right side
    160,936.80x = 38,569,405,366.08
  5. Step 5: Solve for x
    x = 38,569,405,366.08/160,936.80
  6. Step 6: Final answer
    x = 239,655.60

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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.