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Finding the Fourth Proportional to 86,804.67, 130,163.93 and 27,632.66

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Solution

The fourth proportional to 86,804.67, 130,163.93 and 27,632.66 is: 41,435.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,804.67 : 130,163.93 = 27,632.66 : x
  2. Step 2: Convert to fraction form
    86,804.67/130,163.93 = 27,632.66/x
  3. Step 3: Cross multiply
    86,804.67x = 130,163.93 × 27,632.66
  4. Step 4: Simplify right side
    86,804.67x = 3,596,774,832.97
  5. Step 5: Solve for x
    x = 3,596,774,832.97/86,804.67
  6. Step 6: Final answer
    x = 41,435.27

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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.