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Finding the Fourth Proportional to 166,954, 250,431 and 56,146

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Solution

The fourth proportional to 166,954, 250,431 and 56,146 is: 84,219

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,954 : 250,431 = 56,146 : x
  2. Step 2: Convert to fraction form
    166,954/250,431 = 56,146/x
  3. Step 3: Cross multiply
    166,954x = 250,431 × 56,146
  4. Step 4: Simplify right side
    166,954x = 14,060,698,926
  5. Step 5: Solve for x
    x = 14,060,698,926/166,954
  6. Step 6: Final answer
    x = 84,219

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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.