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Finding the Fourth Proportional to 68,151.40, 94,048.94 and 37,936.08

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Solution

The fourth proportional to 68,151.40, 94,048.94 and 37,936.08 is: 52,351.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,151.40 : 94,048.94 = 37,936.08 : x
  2. Step 2: Convert to fraction form
    68,151.40/94,048.94 = 37,936.08/x
  3. Step 3: Cross multiply
    68,151.40x = 94,048.94 × 37,936.08
  4. Step 4: Simplify right side
    68,151.40x = 3,567,848,111.76
  5. Step 5: Solve for x
    x = 3,567,848,111.76/68,151.40
  6. Step 6: Final answer
    x = 52,351.79

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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.