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Finding the Fourth Proportional to 295,639.40, 443,361.90 and 108,626.60

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Solution

The fourth proportional to 295,639.40, 443,361.90 and 108,626.60 is: 162,904.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,639.40 : 443,361.90 = 108,626.60 : x
  2. Step 2: Convert to fraction form
    295,639.40/443,361.90 = 108,626.60/x
  3. Step 3: Cross multiply
    295,639.40x = 443,361.90 × 108,626.60
  4. Step 4: Simplify right side
    295,639.40x = 48,160,895,766.54
  5. Step 5: Solve for x
    x = 48,160,895,766.54/295,639.40
  6. Step 6: Final answer
    x = 162,904.19

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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.