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Finding the Fourth Proportional to 86,093.85, 118,808.74 and 47,852.42

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Solution

The fourth proportional to 86,093.85, 118,808.74 and 47,852.42 is: 66,035.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,093.85 : 118,808.74 = 47,852.42 : x
  2. Step 2: Convert to fraction form
    86,093.85/118,808.74 = 47,852.42/x
  3. Step 3: Cross multiply
    86,093.85x = 118,808.74 × 47,852.42
  4. Step 4: Simplify right side
    86,093.85x = 5,685,285,860.22
  5. Step 5: Solve for x
    x = 5,685,285,860.22/86,093.85
  6. Step 6: Final answer
    x = 66,035.91

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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.