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Finding the Fourth Proportional to 254,940.81, 351,818.61 and 141,761.13

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Solution

The fourth proportional to 254,940.81, 351,818.61 and 141,761.13 is: 195,630.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,940.81 : 351,818.61 = 141,761.13 : x
  2. Step 2: Convert to fraction form
    254,940.81/351,818.61 = 141,761.13/x
  3. Step 3: Cross multiply
    254,940.81x = 351,818.61 × 141,761.13
  4. Step 4: Simplify right side
    254,940.81x = 49,874,201,240.73
  5. Step 5: Solve for x
    x = 49,874,201,240.73/254,940.81
  6. Step 6: Final answer
    x = 195,630.52

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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.