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Finding the Fourth Proportional to 114,650.10, 171,647.10 and 111,369.60

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Solution

The fourth proportional to 114,650.10, 171,647.10 and 111,369.60 is: 166,735.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,650.10 : 171,647.10 = 111,369.60 : x
  2. Step 2: Convert to fraction form
    114,650.10/171,647.10 = 111,369.60/x
  3. Step 3: Cross multiply
    114,650.10x = 171,647.10 × 111,369.60
  4. Step 4: Simplify right side
    114,650.10x = 19,116,268,868.16
  5. Step 5: Solve for x
    x = 19,116,268,868.16/114,650.10
  6. Step 6: Final answer
    x = 166,735.74

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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.