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Finding the Fourth Proportional to 146,710.20, 220,065.30 and 95,971.80

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Solution

The fourth proportional to 146,710.20, 220,065.30 and 95,971.80 is: 143,957.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,710.20 : 220,065.30 = 95,971.80 : x
  2. Step 2: Convert to fraction form
    146,710.20/220,065.30 = 95,971.80/x
  3. Step 3: Cross multiply
    146,710.20x = 220,065.30 × 95,971.80
  4. Step 4: Simplify right side
    146,710.20x = 21,120,062,958.54
  5. Step 5: Solve for x
    x = 21,120,062,958.54/146,710.20
  6. Step 6: Final answer
    x = 143,957.70

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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.