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Finding the Fourth Proportional to 172,241.64, 258,390.17 and 59,953.77

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Solution

The fourth proportional to 172,241.64, 258,390.17 and 59,953.77 is: 89,940.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,241.64 : 258,390.17 = 59,953.77 : x
  2. Step 2: Convert to fraction form
    172,241.64/258,390.17 = 59,953.77/x
  3. Step 3: Cross multiply
    172,241.64x = 258,390.17 × 59,953.77
  4. Step 4: Simplify right side
    172,241.64x = 15,491,464,822.44
  5. Step 5: Solve for x
    x = 15,491,464,822.44/172,241.64
  6. Step 6: Final answer
    x = 89,940.30

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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.