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Finding the Fourth Proportional to 85,235.36, 117,619.37 and 46,992.82

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Solution

The fourth proportional to 85,235.36, 117,619.37 and 46,992.82 is: 64,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235.36 : 117,619.37 = 46,992.82 : x
  2. Step 2: Convert to fraction form
    85,235.36/117,619.37 = 46,992.82/x
  3. Step 3: Cross multiply
    85,235.36x = 117,619.37 × 46,992.82
  4. Step 4: Simplify right side
    85,235.36x = 5,527,265,783.91
  5. Step 5: Solve for x
    x = 5,527,265,783.91/85,235.36
  6. Step 6: Final answer
    x = 64,847.10

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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.