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Finding the Fourth Proportional to 86,150.80, 118,870.66 and 50,333.89

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Solution

The fourth proportional to 86,150.80, 118,870.66 and 50,333.89 is: 69,450.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,150.80 : 118,870.66 = 50,333.89 : x
  2. Step 2: Convert to fraction form
    86,150.80/118,870.66 = 50,333.89/x
  3. Step 3: Cross multiply
    86,150.80x = 118,870.66 × 50,333.89
  4. Step 4: Simplify right side
    86,150.80x = 5,983,222,724.67
  5. Step 5: Solve for x
    x = 5,983,222,724.67/86,150.80
  6. Step 6: Final answer
    x = 69,450.58

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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.