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Finding the Fourth Proportional to 254,874.72, 351,824.64 and 169,960.80

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Solution

The fourth proportional to 254,874.72, 351,824.64 and 169,960.80 is: 234,610.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,874.72 : 351,824.64 = 169,960.80 : x
  2. Step 2: Convert to fraction form
    254,874.72/351,824.64 = 169,960.80/x
  3. Step 3: Cross multiply
    254,874.72x = 351,824.64 × 169,960.80
  4. Step 4: Simplify right side
    254,874.72x = 59,796,397,274.11
  5. Step 5: Solve for x
    x = 59,796,397,274.11/254,874.72
  6. Step 6: Final answer
    x = 234,610.94

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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.