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Finding the Fourth Proportional to 67,182.63, 92,715.96 and 38,511.18

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Solution

The fourth proportional to 67,182.63, 92,715.96 and 38,511.18 is: 53,147.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,182.63 : 92,715.96 = 38,511.18 : x
  2. Step 2: Convert to fraction form
    67,182.63/92,715.96 = 38,511.18/x
  3. Step 3: Cross multiply
    67,182.63x = 92,715.96 × 38,511.18
  4. Step 4: Simplify right side
    67,182.63x = 3,570,601,024.43
  5. Step 5: Solve for x
    x = 3,570,601,024.43/67,182.63
  6. Step 6: Final answer
    x = 53,147.68

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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.