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Finding the Fourth Proportional to 202,424.80, 303,766.80 and 118,184.80

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Solution

The fourth proportional to 202,424.80, 303,766.80 and 118,184.80 is: 177,352.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,424.80 : 303,766.80 = 118,184.80 : x
  2. Step 2: Convert to fraction form
    202,424.80/303,766.80 = 118,184.80/x
  3. Step 3: Cross multiply
    202,424.80x = 303,766.80 × 118,184.80
  4. Step 4: Simplify right side
    202,424.80x = 35,900,618,504.64
  5. Step 5: Solve for x
    x = 35,900,618,504.64/202,424.80
  6. Step 6: Final answer
    x = 177,352.87

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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.