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Finding the Fourth Proportional to 254,544.78, 351,262.14 and 141,374.82

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Solution

The fourth proportional to 254,544.78, 351,262.14 and 141,374.82 is: 195,091.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,544.78 : 351,262.14 = 141,374.82 : x
  2. Step 2: Convert to fraction form
    254,544.78/351,262.14 = 141,374.82/x
  3. Step 3: Cross multiply
    254,544.78x = 351,262.14 × 141,374.82
  4. Step 4: Simplify right side
    254,544.78x = 49,659,621,815.31
  5. Step 5: Solve for x
    x = 49,659,621,815.31/254,544.78
  6. Step 6: Final answer
    x = 195,091.89

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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.