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Finding the Fourth Proportional to 167,429.53, 231,055.22 and 90,950.11

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Solution

The fourth proportional to 167,429.53, 231,055.22 and 90,950.11 is: 125,512.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,429.53 : 231,055.22 = 90,950.11 : x
  2. Step 2: Convert to fraction form
    167,429.53/231,055.22 = 90,950.11/x
  3. Step 3: Cross multiply
    167,429.53x = 231,055.22 × 90,950.11
  4. Step 4: Simplify right side
    167,429.53x = 21,014,497,675.07
  5. Step 5: Solve for x
    x = 21,014,497,675.07/167,429.53
  6. Step 6: Final answer
    x = 125,512.49

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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.