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Finding the Fourth Proportional to 123,855.09, 185,735.09 and 52,732.63

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Solution

The fourth proportional to 123,855.09, 185,735.09 and 52,732.63 is: 79,078.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,855.09 : 185,735.09 = 52,732.63 : x
  2. Step 2: Convert to fraction form
    123,855.09/185,735.09 = 52,732.63/x
  3. Step 3: Cross multiply
    123,855.09x = 185,735.09 × 52,732.63
  4. Step 4: Simplify right side
    123,855.09x = 9,794,300,142.99
  5. Step 5: Solve for x
    x = 9,794,300,142.99/123,855.09
  6. Step 6: Final answer
    x = 79,078.71

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1.5x scale

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.