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Finding the Fourth Proportional to 121,237.40, 167,288.01 and 67,522.25

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Solution

The fourth proportional to 121,237.40, 167,288.01 and 67,522.25 is: 93,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,237.40 : 167,288.01 = 67,522.25 : x
  2. Step 2: Convert to fraction form
    121,237.40/167,288.01 = 67,522.25/x
  3. Step 3: Cross multiply
    121,237.40x = 167,288.01 × 67,522.25
  4. Step 4: Simplify right side
    121,237.40x = 11,295,662,833.22
  5. Step 5: Solve for x
    x = 11,295,662,833.22/121,237.40
  6. Step 6: Final answer
    x = 93,169.79

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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.