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Finding the Fourth Proportional to 86,804.85, 130,216.50 and 27,626.69

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Solution

The fourth proportional to 86,804.85, 130,216.50 and 27,626.69 is: 41,442.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804.85 : 130,216.50 = 27,626.69 : x
  2. Step 2: Convert to fraction form
    86,804.85/130,216.50 = 27,626.69/x
  3. Step 3: Cross multiply
    86,804.85x = 130,216.50 × 27,626.69
  4. Step 4: Simplify right side
    86,804.85x = 3,597,450,227.30
  5. Step 5: Solve for x
    x = 3,597,450,227.30/86,804.85
  6. Step 6: Final answer
    x = 41,442.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.