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Finding the Fourth Proportional to 111,150.52, 166,675.35 and 47,940.77

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Solution

The fourth proportional to 111,150.52, 166,675.35 and 47,940.77 is: 71,889.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,150.52 : 166,675.35 = 47,940.77 : x
  2. Step 2: Convert to fraction form
    111,150.52/166,675.35 = 47,940.77/x
  3. Step 3: Cross multiply
    111,150.52x = 166,675.35 × 47,940.77
  4. Step 4: Simplify right side
    111,150.52x = 7,990,544,619.02
  5. Step 5: Solve for x
    x = 7,990,544,619.02/111,150.52
  6. Step 6: Final answer
    x = 71,889.40

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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.