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Finding the Fourth Proportional to 73,873.15, 103,684.85 and 73,873.15

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Solution

The fourth proportional to 73,873.15, 103,684.85 and 73,873.15 is: 103,684.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,873.15 : 103,684.85 = 73,873.15 : x
  2. Step 2: Convert to fraction form
    73,873.15/103,684.85 = 73,873.15/x
  3. Step 3: Cross multiply
    73,873.15x = 103,684.85 × 73,873.15
  4. Step 4: Simplify right side
    73,873.15x = 7,659,526,476.78
  5. Step 5: Solve for x
    x = 7,659,526,476.78/73,873.15
  6. Step 6: Final answer
    x = 103,684.85

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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.