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Finding the Fourth Proportional to 254,676.88, 351,451.56 and 141,497.20

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Solution

The fourth proportional to 254,676.88, 351,451.56 and 141,497.20 is: 195,264.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,676.88 : 351,451.56 = 141,497.20 : x
  2. Step 2: Convert to fraction form
    254,676.88/351,451.56 = 141,497.20/x
  3. Step 3: Cross multiply
    254,676.88x = 351,451.56 × 141,497.20
  4. Step 4: Simplify right side
    254,676.88x = 49,729,411,675.63
  5. Step 5: Solve for x
    x = 49,729,411,675.63/254,676.88
  6. Step 6: Final answer
    x = 195,264.73

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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.