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Finding the Fourth Proportional to 310,621.53, 465,855.33 and 133,108.41

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Solution

The fourth proportional to 310,621.53, 465,855.33 and 133,108.41 is: 199,629.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,621.53 : 465,855.33 = 133,108.41 : x
  2. Step 2: Convert to fraction form
    310,621.53/465,855.33 = 133,108.41/x
  3. Step 3: Cross multiply
    310,621.53x = 465,855.33 × 133,108.41
  4. Step 4: Simplify right side
    310,621.53x = 62,009,262,266.33
  5. Step 5: Solve for x
    x = 62,009,262,266.33/310,621.53
  6. Step 6: Final answer
    x = 199,629.63

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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.