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Finding the Fourth Proportional to 123,896.44, 185,851.68 and 35,142.92

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Solution

The fourth proportional to 123,896.44, 185,851.68 and 35,142.92 is: 52,716.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,896.44 : 185,851.68 = 35,142.92 : x
  2. Step 2: Convert to fraction form
    123,896.44/185,851.68 = 35,142.92/x
  3. Step 3: Cross multiply
    123,896.44x = 185,851.68 × 35,142.92
  4. Step 4: Simplify right side
    123,896.44x = 6,531,370,722.11
  5. Step 5: Solve for x
    x = 6,531,370,722.11/123,896.44
  6. Step 6: Final answer
    x = 52,716.37

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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.