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Finding the Fourth Proportional to 73,268.60, 102,783.40 and 73,268.60

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Solution

The fourth proportional to 73,268.60, 102,783.40 and 73,268.60 is: 102,783.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,268.60 : 102,783.40 = 73,268.60 : x
  2. Step 2: Convert to fraction form
    73,268.60/102,783.40 = 73,268.60/x
  3. Step 3: Cross multiply
    73,268.60x = 102,783.40 × 73,268.60
  4. Step 4: Simplify right side
    73,268.60x = 7,530,795,821.24
  5. Step 5: Solve for x
    x = 7,530,795,821.24/73,268.60
  6. Step 6: Final answer
    x = 102,783.40

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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.