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Finding the Fourth Proportional to 111,243.34, 166,864.87 and 44,683.48

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Solution

The fourth proportional to 111,243.34, 166,864.87 and 44,683.48 is: 67,025.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,243.34 : 166,864.87 = 44,683.48 : x
  2. Step 2: Convert to fraction form
    111,243.34/166,864.87 = 44,683.48/x
  3. Step 3: Cross multiply
    111,243.34x = 166,864.87 × 44,683.48
  4. Step 4: Simplify right side
    111,243.34x = 7,456,103,081.35
  5. Step 5: Solve for x
    x = 7,456,103,081.35/111,243.34
  6. Step 6: Final answer
    x = 67,025.16

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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.