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Finding the Fourth Proportional to 68,277.94, 94,197.54 and 50,415.82

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Solution

The fourth proportional to 68,277.94, 94,197.54 and 50,415.82 is: 69,554.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,277.94 : 94,197.54 = 50,415.82 : x
  2. Step 2: Convert to fraction form
    68,277.94/94,197.54 = 50,415.82/x
  3. Step 3: Cross multiply
    68,277.94x = 94,197.54 × 50,415.82
  4. Step 4: Simplify right side
    68,277.94x = 4,749,046,221.08
  5. Step 5: Solve for x
    x = 4,749,046,221.08/68,277.94
  6. Step 6: Final answer
    x = 69,554.62

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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.