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Finding the Fourth Proportional to 121,466.44, 167,623.86 and 67,750.04

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Solution

The fourth proportional to 121,466.44, 167,623.86 and 67,750.04 is: 93,495.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,466.44 : 167,623.86 = 67,750.04 : x
  2. Step 2: Convert to fraction form
    121,466.44/167,623.86 = 67,750.04/x
  3. Step 3: Cross multiply
    121,466.44x = 167,623.86 × 67,750.04
  4. Step 4: Simplify right side
    121,466.44x = 11,356,523,219.95
  5. Step 5: Solve for x
    x = 11,356,523,219.95/121,466.44
  6. Step 6: Final answer
    x = 93,495.15

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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.