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Finding the Fourth Proportional to 188,044.40, 281,980.20 and 82,809.20

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Solution

The fourth proportional to 188,044.40, 281,980.20 and 82,809.20 is: 124,175.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,044.40 : 281,980.20 = 82,809.20 : x
  2. Step 2: Convert to fraction form
    188,044.40/281,980.20 = 82,809.20/x
  3. Step 3: Cross multiply
    188,044.40x = 281,980.20 × 82,809.20
  4. Step 4: Simplify right side
    188,044.40x = 23,350,554,777.84
  5. Step 5: Solve for x
    x = 23,350,554,777.84/188,044.40
  6. Step 6: Final answer
    x = 124,175.75

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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.