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Finding the Fourth Proportional to 251,091.67, 346,583.30 and 149,133.73

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Solution

The fourth proportional to 251,091.67, 346,583.30 and 149,133.73 is: 205,850.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,091.67 : 346,583.30 = 149,133.73 : x
  2. Step 2: Convert to fraction form
    251,091.67/346,583.30 = 149,133.73/x
  3. Step 3: Cross multiply
    251,091.67x = 346,583.30 × 149,133.73
  4. Step 4: Simplify right side
    251,091.67x = 51,687,260,284.71
  5. Step 5: Solve for x
    x = 51,687,260,284.71/251,091.67
  6. Step 6: Final answer
    x = 205,850.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.