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Finding the Fourth Proportional to 254,512.53, 351,243.54 and 141,335.28

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Solution

The fourth proportional to 254,512.53, 351,243.54 and 141,335.28 is: 195,051.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,512.53 : 351,243.54 = 141,335.28 : x
  2. Step 2: Convert to fraction form
    254,512.53/351,243.54 = 141,335.28/x
  3. Step 3: Cross multiply
    254,512.53x = 351,243.54 × 141,335.28
  4. Step 4: Simplify right side
    254,512.53x = 49,643,104,074.09
  5. Step 5: Solve for x
    x = 49,643,104,074.09/254,512.53
  6. Step 6: Final answer
    x = 195,051.71

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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.