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Finding the Fourth Proportional to 192,554.49, 265,704.74 and 106,499.80

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Solution

The fourth proportional to 192,554.49, 265,704.74 and 106,499.80 is: 146,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,554.49 : 265,704.74 = 106,499.80 : x
  2. Step 2: Convert to fraction form
    192,554.49/265,704.74 = 106,499.80/x
  3. Step 3: Cross multiply
    192,554.49x = 265,704.74 × 106,499.80
  4. Step 4: Simplify right side
    192,554.49x = 28,297,500,340.53
  5. Step 5: Solve for x
    x = 28,297,500,340.53/192,554.49
  6. Step 6: Final answer
    x = 146,958.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.