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Finding the Fourth Proportional to 169,361.85, 254,042.90 and 43,011.57

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Solution

The fourth proportional to 169,361.85, 254,042.90 and 43,011.57 is: 64,517.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,361.85 : 254,042.90 = 43,011.57 : x
  2. Step 2: Convert to fraction form
    169,361.85/254,042.90 = 43,011.57/x
  3. Step 3: Cross multiply
    169,361.85x = 254,042.90 × 43,011.57
  4. Step 4: Simplify right side
    169,361.85x = 10,926,784,875.25
  5. Step 5: Solve for x
    x = 10,926,784,875.25/169,361.85
  6. Step 6: Final answer
    x = 64,517.39

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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.