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Finding the Fourth Proportional to 84,992.05, 117,286.64 and 46,751.56

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Solution

The fourth proportional to 84,992.05, 117,286.64 and 46,751.56 is: 64,515.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,992.05 : 117,286.64 = 46,751.56 : x
  2. Step 2: Convert to fraction form
    84,992.05/117,286.64 = 46,751.56/x
  3. Step 3: Cross multiply
    84,992.05x = 117,286.64 × 46,751.56
  4. Step 4: Simplify right side
    84,992.05x = 5,483,333,035.50
  5. Step 5: Solve for x
    x = 5,483,333,035.50/84,992.05
  6. Step 6: Final answer
    x = 64,515.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.