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Finding the Fourth Proportional to 121,342.66, 167,458.06 and 67,627.67

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Solution

The fourth proportional to 121,342.66, 167,458.06 and 67,627.67 is: 93,329.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,342.66 : 167,458.06 = 67,627.67 : x
  2. Step 2: Convert to fraction form
    121,342.66/167,458.06 = 67,627.67/x
  3. Step 3: Cross multiply
    121,342.66x = 167,458.06 × 67,627.67
  4. Step 4: Simplify right side
    121,342.66x = 11,324,798,420.52
  5. Step 5: Solve for x
    x = 11,324,798,420.52/121,342.66
  6. Step 6: Final answer
    x = 93,329.08

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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.