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Finding the Fourth Proportional to 171,418.14, 257,274.90 and 96,611.94

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Solution

The fourth proportional to 171,418.14, 257,274.90 and 96,611.94 is: 145,001.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,418.14 : 257,274.90 = 96,611.94 : x
  2. Step 2: Convert to fraction form
    171,418.14/257,274.90 = 96,611.94/x
  3. Step 3: Cross multiply
    171,418.14x = 257,274.90 × 96,611.94
  4. Step 4: Simplify right side
    171,418.14x = 24,855,827,202.31
  5. Step 5: Solve for x
    x = 24,855,827,202.31/171,418.14
  6. Step 6: Final answer
    x = 145,001.15

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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.