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Finding the Fourth Proportional to 172,147.58, 258,200.82 and 45,797.10

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Solution

The fourth proportional to 172,147.58, 258,200.82 and 45,797.10 is: 68,690.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,147.58 : 258,200.82 = 45,797.10 : x
  2. Step 2: Convert to fraction form
    172,147.58/258,200.82 = 45,797.10/x
  3. Step 3: Cross multiply
    172,147.58x = 258,200.82 × 45,797.10
  4. Step 4: Simplify right side
    172,147.58x = 11,824,848,773.62
  5. Step 5: Solve for x
    x = 11,824,848,773.62/172,147.58
  6. Step 6: Final answer
    x = 68,690.18

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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.