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Finding the Fourth Proportional to 227,080.20, 340,620.30 and 155,809.80

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Solution

The fourth proportional to 227,080.20, 340,620.30 and 155,809.80 is: 233,714.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,080.20 : 340,620.30 = 155,809.80 : x
  2. Step 2: Convert to fraction form
    227,080.20/340,620.30 = 155,809.80/x
  3. Step 3: Cross multiply
    227,080.20x = 340,620.30 × 155,809.80
  4. Step 4: Simplify right side
    227,080.20x = 53,071,980,818.94
  5. Step 5: Solve for x
    x = 53,071,980,818.94/227,080.20
  6. Step 6: Final answer
    x = 233,714.70

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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.