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Finding the Fourth Proportional to 86,295.98, 119,059.91 and 50,460.62

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Solution

The fourth proportional to 86,295.98, 119,059.91 and 50,460.62 is: 69,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,295.98 : 119,059.91 = 50,460.62 : x
  2. Step 2: Convert to fraction form
    86,295.98/119,059.91 = 50,460.62/x
  3. Step 3: Cross multiply
    86,295.98x = 119,059.91 × 50,460.62
  4. Step 4: Simplify right side
    86,295.98x = 6,007,836,028.14
  5. Step 5: Solve for x
    x = 6,007,836,028.14/86,295.98
  6. Step 6: Final answer
    x = 69,618.96

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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.