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Finding the Fourth Proportional to 111,344.67, 166,975.56 and 44,762.40

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Solution

The fourth proportional to 111,344.67, 166,975.56 and 44,762.40 is: 67,126.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,344.67 : 166,975.56 = 44,762.40 : x
  2. Step 2: Convert to fraction form
    111,344.67/166,975.56 = 44,762.40/x
  3. Step 3: Cross multiply
    111,344.67x = 166,975.56 × 44,762.40
  4. Step 4: Simplify right side
    111,344.67x = 7,474,226,806.94
  5. Step 5: Solve for x
    x = 7,474,226,806.94/111,344.67
  6. Step 6: Final answer
    x = 67,126.94

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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.