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Finding the Fourth Proportional to 231,069.60, 346,604.40 and 73,310.40

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Solution

The fourth proportional to 231,069.60, 346,604.40 and 73,310.40 is: 109,965.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,069.60 : 346,604.40 = 73,310.40 : x
  2. Step 2: Convert to fraction form
    231,069.60/346,604.40 = 73,310.40/x
  3. Step 3: Cross multiply
    231,069.60x = 346,604.40 × 73,310.40
  4. Step 4: Simplify right side
    231,069.60x = 25,409,707,205.76
  5. Step 5: Solve for x
    x = 25,409,707,205.76/231,069.60
  6. Step 6: Final answer
    x = 109,965.60

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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.