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Finding the Fourth Proportional to 254,704.70, 351,383.46 and 159,045.32

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Solution

The fourth proportional to 254,704.70, 351,383.46 and 159,045.32 is: 219,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,704.70 : 351,383.46 = 159,045.32 : x
  2. Step 2: Convert to fraction form
    254,704.70/351,383.46 = 159,045.32/x
  3. Step 3: Cross multiply
    254,704.70x = 351,383.46 × 159,045.32
  4. Step 4: Simplify right side
    254,704.70x = 55,885,894,838.41
  5. Step 5: Solve for x
    x = 55,885,894,838.41/254,704.70
  6. Step 6: Final answer
    x = 219,414.46

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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.