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Finding the Fourth Proportional to 172,241.78, 258,390.36 and 59,953.91

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Solution

The fourth proportional to 172,241.78, 258,390.36 and 59,953.91 is: 89,940.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,241.78 : 258,390.36 = 59,953.91 : x
  2. Step 2: Convert to fraction form
    172,241.78/258,390.36 = 59,953.91/x
  3. Step 3: Cross multiply
    172,241.78x = 258,390.36 × 59,953.91
  4. Step 4: Simplify right side
    172,241.78x = 15,491,511,096.36
  5. Step 5: Solve for x
    x = 15,491,511,096.36/172,241.78
  6. Step 6: Final answer
    x = 89,940.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.