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Finding the Fourth Proportional to 169,361.73, 254,042.70 and 43,011.45

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Solution

The fourth proportional to 169,361.73, 254,042.70 and 43,011.45 is: 64,517.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,361.73 : 254,042.70 = 43,011.45 : x
  2. Step 2: Convert to fraction form
    169,361.73/254,042.70 = 43,011.45/x
  3. Step 3: Cross multiply
    169,361.73x = 254,042.70 × 43,011.45
  4. Step 4: Simplify right side
    169,361.73x = 10,926,743,618.70
  5. Step 5: Solve for x
    x = 10,926,743,618.70/169,361.73
  6. Step 6: Final answer
    x = 64,517.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.