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Finding the Fourth Proportional to 202,579.40, 303,840.30 and 62,352.20

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Solution

The fourth proportional to 202,579.40, 303,840.30 and 62,352.20 is: 93,519.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,579.40 : 303,840.30 = 62,352.20 : x
  2. Step 2: Convert to fraction form
    202,579.40/303,840.30 = 62,352.20/x
  3. Step 3: Cross multiply
    202,579.40x = 303,840.30 × 62,352.20
  4. Step 4: Simplify right side
    202,579.40x = 18,945,111,153.66
  5. Step 5: Solve for x
    x = 18,945,111,153.66/202,579.40
  6. Step 6: Final answer
    x = 93,519.44

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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.