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Finding the Fourth Proportional to 167,429.84, 231,054.90 and 90,950.41

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Solution

The fourth proportional to 167,429.84, 231,054.90 and 90,950.41 is: 125,512.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,429.84 : 231,054.90 = 90,950.41 : x
  2. Step 2: Convert to fraction form
    167,429.84/231,054.90 = 90,950.41/x
  3. Step 3: Cross multiply
    167,429.84x = 231,054.90 × 90,950.41
  4. Step 4: Simplify right side
    167,429.84x = 21,014,537,835.26
  5. Step 5: Solve for x
    x = 21,014,537,835.26/167,429.84
  6. Step 6: Final answer
    x = 125,512.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.