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Finding the Fourth Proportional to 86,164.83, 118,878.44 and 50,334.48

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Solution

The fourth proportional to 86,164.83, 118,878.44 and 50,334.48 is: 69,444.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,164.83 : 118,878.44 = 50,334.48 : x
  2. Step 2: Convert to fraction form
    86,164.83/118,878.44 = 50,334.48/x
  3. Step 3: Cross multiply
    86,164.83x = 118,878.44 × 50,334.48
  4. Step 4: Simplify right side
    86,164.83x = 5,983,684,208.94
  5. Step 5: Solve for x
    x = 5,983,684,208.94/86,164.83
  6. Step 6: Final answer
    x = 69,444.62

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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.