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Finding the Fourth Proportional to 85,232.68, 117,621.39 and 46,991.39

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Solution

The fourth proportional to 85,232.68, 117,621.39 and 46,991.39 is: 64,848.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,232.68 : 117,621.39 = 46,991.39 : x
  2. Step 2: Convert to fraction form
    85,232.68/117,621.39 = 46,991.39/x
  3. Step 3: Cross multiply
    85,232.68x = 117,621.39 × 46,991.39
  4. Step 4: Simplify right side
    85,232.68x = 5,527,192,021.73
  5. Step 5: Solve for x
    x = 5,527,192,021.73/85,232.68
  6. Step 6: Final answer
    x = 64,848.27

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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.