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Finding the Fourth Proportional to 171,450, 236,546.33 and 111,066.93

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Solution

The fourth proportional to 171,450, 236,546.33 and 111,066.93 is: 153,236.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,450 : 236,546.33 = 111,066.93 : x
  2. Step 2: Convert to fraction form
    171,450/236,546.33 = 111,066.93/x
  3. Step 3: Cross multiply
    171,450x = 236,546.33 × 111,066.93
  4. Step 4: Simplify right side
    171,450x = 26,272,474,120.53
  5. Step 5: Solve for x
    x = 26,272,474,120.53/171,450
  6. Step 6: Final answer
    x = 153,236.94

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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.