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Finding the Fourth Proportional to 160,881.92, 241,455.60 and 80,942.48

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Solution

The fourth proportional to 160,881.92, 241,455.60 and 80,942.48 is: 121,480.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,881.92 : 241,455.60 = 80,942.48 : x
  2. Step 2: Convert to fraction form
    160,881.92/241,455.60 = 80,942.48/x
  3. Step 3: Cross multiply
    160,881.92x = 241,455.60 × 80,942.48
  4. Step 4: Simplify right side
    160,881.92x = 19,544,015,073.89
  5. Step 5: Solve for x
    x = 19,544,015,073.89/160,881.92
  6. Step 6: Final answer
    x = 121,480.49

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1.5x scale

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.