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Finding the Fourth Proportional to 111,177.88, 166,784.09 and 37,323.16

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Solution

The fourth proportional to 111,177.88, 166,784.09 and 37,323.16 is: 55,990.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,177.88 : 166,784.09 = 37,323.16 : x
  2. Step 2: Convert to fraction form
    111,177.88/166,784.09 = 37,323.16/x
  3. Step 3: Cross multiply
    111,177.88x = 166,784.09 × 37,323.16
  4. Step 4: Simplify right side
    111,177.88x = 6,224,909,276.52
  5. Step 5: Solve for x
    x = 6,224,909,276.52/111,177.88
  6. Step 6: Final answer
    x = 55,990.54

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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.