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Finding the Fourth Proportional to 123,900.92, 185,858.44 and 35,147.48

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Solution

The fourth proportional to 123,900.92, 185,858.44 and 35,147.48 is: 52,723.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,900.92 : 185,858.44 = 35,147.48 : x
  2. Step 2: Convert to fraction form
    123,900.92/185,858.44 = 35,147.48/x
  3. Step 3: Cross multiply
    123,900.92x = 185,858.44 × 35,147.48
  4. Step 4: Simplify right side
    123,900.92x = 6,532,455,802.73
  5. Step 5: Solve for x
    x = 6,532,455,802.73/123,900.92
  6. Step 6: Final answer
    x = 52,723.22

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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.