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Finding the Fourth Proportional to 255,241.58, 352,227.39 and 142,061.90

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Solution

The fourth proportional to 255,241.58, 352,227.39 and 142,061.90 is: 196,042.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,241.58 : 352,227.39 = 142,061.90 : x
  2. Step 2: Convert to fraction form
    255,241.58/352,227.39 = 142,061.90/x
  3. Step 3: Cross multiply
    255,241.58x = 352,227.39 × 142,061.90
  4. Step 4: Simplify right side
    255,241.58x = 50,038,092,255.44
  5. Step 5: Solve for x
    x = 50,038,092,255.44/255,241.58
  6. Step 6: Final answer
    x = 196,042.09

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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.