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Finding the Fourth Proportional to 111,216.67, 167,583.93 and 91,927.33

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Solution

The fourth proportional to 111,216.67, 167,583.93 and 91,927.33 is: 138,518.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,216.67 : 167,583.93 = 91,927.33 : x
  2. Step 2: Convert to fraction form
    111,216.67/167,583.93 = 91,927.33/x
  3. Step 3: Cross multiply
    111,216.67x = 167,583.93 × 91,927.33
  4. Step 4: Simplify right side
    111,216.67x = 15,405,543,235.81
  5. Step 5: Solve for x
    x = 15,405,543,235.81/111,216.67
  6. Step 6: Final answer
    x = 138,518.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.