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Finding the Fourth Proportional to 123,735.68, 185,364.36 and 73,855.52

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Solution

The fourth proportional to 123,735.68, 185,364.36 and 73,855.52 is: 110,640.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,735.68 : 185,364.36 = 73,855.52 : x
  2. Step 2: Convert to fraction form
    123,735.68/185,364.36 = 73,855.52/x
  3. Step 3: Cross multiply
    123,735.68x = 185,364.36 × 73,855.52
  4. Step 4: Simplify right side
    123,735.68x = 13,690,181,197.27
  5. Step 5: Solve for x
    x = 13,690,181,197.27/123,735.68
  6. Step 6: Final answer
    x = 110,640.53

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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.