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Finding the Fourth Proportional to 171,645, 257,506.44 and 60,837

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Solution

The fourth proportional to 171,645, 257,506.44 and 60,837 is: 91,269.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,645 : 257,506.44 = 60,837 : x
  2. Step 2: Convert to fraction form
    171,645/257,506.44 = 60,837/x
  3. Step 3: Cross multiply
    171,645x = 257,506.44 × 60,837
  4. Step 4: Simplify right side
    171,645x = 15,665,919,290.28
  5. Step 5: Solve for x
    x = 15,665,919,290.28/171,645
  6. Step 6: Final answer
    x = 91,269.30

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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.