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Finding the Fourth Proportional to 227,315.16, 340,852.32 and 100,900.44

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Solution

The fourth proportional to 227,315.16, 340,852.32 and 100,900.44 is: 151,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,315.16 : 340,852.32 = 100,900.44 : x
  2. Step 2: Convert to fraction form
    227,315.16/340,852.32 = 100,900.44/x
  3. Step 3: Cross multiply
    227,315.16x = 340,852.32 × 100,900.44
  4. Step 4: Simplify right side
    227,315.16x = 34,392,149,063.02
  5. Step 5: Solve for x
    x = 34,392,149,063.02/227,315.16
  6. Step 6: Final answer
    x = 151,297.21

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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.