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Finding the Fourth Proportional to 262,516.62, 393,927.84 and 110,704.40

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Solution

The fourth proportional to 262,516.62, 393,927.84 and 110,704.40 is: 166,121.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,516.62 : 393,927.84 = 110,704.40 : x
  2. Step 2: Convert to fraction form
    262,516.62/393,927.84 = 110,704.40/x
  3. Step 3: Cross multiply
    262,516.62x = 393,927.84 × 110,704.40
  4. Step 4: Simplify right side
    262,516.62x = 43,609,545,170.50
  5. Step 5: Solve for x
    x = 43,609,545,170.50/262,516.62
  6. Step 6: Final answer
    x = 166,121.08

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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.