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Finding the Fourth Proportional to 121,274.49, 167,348.86 and 69,593.86

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Solution

The fourth proportional to 121,274.49, 167,348.86 and 69,593.86 is: 96,033.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,274.49 : 167,348.86 = 69,593.86 : x
  2. Step 2: Convert to fraction form
    121,274.49/167,348.86 = 69,593.86/x
  3. Step 3: Cross multiply
    121,274.49x = 167,348.86 × 69,593.86
  4. Step 4: Simplify right side
    121,274.49x = 11,646,452,541.64
  5. Step 5: Solve for x
    x = 11,646,452,541.64/121,274.49
  6. Step 6: Final answer
    x = 96,033.82

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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.