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Finding the Fourth Proportional to 248,998.33, 343,619.49 and 141,562

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Solution

The fourth proportional to 248,998.33, 343,619.49 and 141,562 is: 195,356.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,998.33 : 343,619.49 = 141,562 : x
  2. Step 2: Convert to fraction form
    248,998.33/343,619.49 = 141,562/x
  3. Step 3: Cross multiply
    248,998.33x = 343,619.49 × 141,562
  4. Step 4: Simplify right side
    248,998.33x = 48,643,462,243.38
  5. Step 5: Solve for x
    x = 48,643,462,243.38/248,998.33
  6. Step 6: Final answer
    x = 195,356.58

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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.