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Finding the Fourth Proportional to 254,387.26, 351,028.41 and 146,991.89

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Solution

The fourth proportional to 254,387.26, 351,028.41 and 146,991.89 is: 202,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,387.26 : 351,028.41 = 146,991.89 : x
  2. Step 2: Convert to fraction form
    254,387.26/351,028.41 = 146,991.89/x
  3. Step 3: Cross multiply
    254,387.26x = 351,028.41 × 146,991.89
  4. Step 4: Simplify right side
    254,387.26x = 51,598,329,429.59
  5. Step 5: Solve for x
    x = 51,598,329,429.59/254,387.26
  6. Step 6: Final answer
    x = 202,833.78

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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.