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Finding the Fourth Proportional to 121,704.06, 167,949.24 and 67,259.10

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Solution

The fourth proportional to 121,704.06, 167,949.24 and 67,259.10 is: 92,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,704.06 : 167,949.24 = 67,259.10 : x
  2. Step 2: Convert to fraction form
    121,704.06/167,949.24 = 67,259.10/x
  3. Step 3: Cross multiply
    121,704.06x = 167,949.24 × 67,259.10
  4. Step 4: Simplify right side
    121,704.06x = 11,296,114,728.08
  5. Step 5: Solve for x
    x = 11,296,114,728.08/121,704.06
  6. Step 6: Final answer
    x = 92,816.25

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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.