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Finding the Fourth Proportional to 73,551.82, 100,794.48 and 66,465.94

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Solution

The fourth proportional to 73,551.82, 100,794.48 and 66,465.94 is: 91,084.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,551.82 : 100,794.48 = 66,465.94 : x
  2. Step 2: Convert to fraction form
    73,551.82/100,794.48 = 66,465.94/x
  3. Step 3: Cross multiply
    73,551.82x = 100,794.48 × 66,465.94
  4. Step 4: Simplify right side
    73,551.82x = 6,699,399,860.01
  5. Step 5: Solve for x
    x = 6,699,399,860.01/73,551.82
  6. Step 6: Final answer
    x = 91,084.08

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.