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Finding the Fourth Proportional to 68,367.70, 94,347.59 and 38,154.81

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Solution

The fourth proportional to 68,367.70, 94,347.59 and 38,154.81 is: 52,653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,367.70 : 94,347.59 = 38,154.81 : x
  2. Step 2: Convert to fraction form
    68,367.70/94,347.59 = 38,154.81/x
  3. Step 3: Cross multiply
    68,367.70x = 94,347.59 × 38,154.81
  4. Step 4: Simplify right side
    68,367.70x = 3,599,814,370.41
  5. Step 5: Solve for x
    x = 3,599,814,370.41/68,367.70
  6. Step 6: Final answer
    x = 52,653.73

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