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Finding the Fourth Proportional to 161,062.80, 241,363.80 and 118,611.60

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Solution

The fourth proportional to 161,062.80, 241,363.80 and 118,611.60 is: 177,747.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,062.80 : 241,363.80 = 118,611.60 : x
  2. Step 2: Convert to fraction form
    161,062.80/241,363.80 = 118,611.60/x
  3. Step 3: Cross multiply
    161,062.80x = 241,363.80 × 118,611.60
  4. Step 4: Simplify right side
    161,062.80x = 28,628,546,500.08
  5. Step 5: Solve for x
    x = 28,628,546,500.08/161,062.80
  6. Step 6: Final answer
    x = 177,747.73

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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.