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Finding the Fourth Proportional to 250,821.44, 376,271.29 and 82,303.41

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Solution

The fourth proportional to 250,821.44, 376,271.29 and 82,303.41 is: 123,467.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,821.44 : 376,271.29 = 82,303.41 : x
  2. Step 2: Convert to fraction form
    250,821.44/376,271.29 = 82,303.41/x
  3. Step 3: Cross multiply
    250,821.44x = 376,271.29 × 82,303.41
  4. Step 4: Simplify right side
    250,821.44x = 30,968,409,649.47
  5. Step 5: Solve for x
    x = 30,968,409,649.47/250,821.44
  6. Step 6: Final answer
    x = 123,467.95

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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.