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Finding the Fourth Proportional to 73,540.60, 102,734.90 and 73,540.60

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Solution

The fourth proportional to 73,540.60, 102,734.90 and 73,540.60 is: 102,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,540.60 : 102,734.90 = 73,540.60 : x
  2. Step 2: Convert to fraction form
    73,540.60/102,734.90 = 73,540.60/x
  3. Step 3: Cross multiply
    73,540.60x = 102,734.90 × 73,540.60
  4. Step 4: Simplify right side
    73,540.60x = 7,555,186,186.94
  5. Step 5: Solve for x
    x = 7,555,186,186.94/73,540.60
  6. Step 6: Final answer
    x = 102,734.90

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.