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Finding the Fourth Proportional to 92,268.08, 138,352.92 and 47,784.50

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Solution

The fourth proportional to 92,268.08, 138,352.92 and 47,784.50 is: 71,651.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,268.08 : 138,352.92 = 47,784.50 : x
  2. Step 2: Convert to fraction form
    92,268.08/138,352.92 = 47,784.50/x
  3. Step 3: Cross multiply
    92,268.08x = 138,352.92 × 47,784.50
  4. Step 4: Simplify right side
    92,268.08x = 6,611,125,212.70
  5. Step 5: Solve for x
    x = 6,611,125,212.70/92,268.08
  6. Step 6: Final answer
    x = 71,651.27

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.