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Finding the Fourth Proportional to 68,266.86, 94,208.31 and 38,054.94

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Solution

The fourth proportional to 68,266.86, 94,208.31 and 38,054.94 is: 52,515.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,266.86 : 94,208.31 = 38,054.94 : x
  2. Step 2: Convert to fraction form
    68,266.86/94,208.31 = 38,054.94/x
  3. Step 3: Cross multiply
    68,266.86x = 94,208.31 × 38,054.94
  4. Step 4: Simplify right side
    68,266.86x = 3,585,091,584.55
  5. Step 5: Solve for x
    x = 3,585,091,584.55/68,266.86
  6. Step 6: Final answer
    x = 52,515.84

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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.