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Finding the Fourth Proportional to 146,790.20, 220,185.30 and 35,982.20

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Solution

The fourth proportional to 146,790.20, 220,185.30 and 35,982.20 is: 53,973.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,790.20 : 220,185.30 = 35,982.20 : x
  2. Step 2: Convert to fraction form
    146,790.20/220,185.30 = 35,982.20/x
  3. Step 3: Cross multiply
    146,790.20x = 220,185.30 × 35,982.20
  4. Step 4: Simplify right side
    146,790.20x = 7,922,750,400.73
  5. Step 5: Solve for x
    x = 7,922,750,400.73/146,790.20
  6. Step 6: Final answer
    x = 53,973.29

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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.