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Finding the Fourth Proportional to 167,186, 250,779 and 56,378

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Solution

The fourth proportional to 167,186, 250,779 and 56,378 is: 84,567

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,186 : 250,779 = 56,378 : x
  2. Step 2: Convert to fraction form
    167,186/250,779 = 56,378/x
  3. Step 3: Cross multiply
    167,186x = 250,779 × 56,378
  4. Step 4: Simplify right side
    167,186x = 14,138,418,462
  5. Step 5: Solve for x
    x = 14,138,418,462/167,186
  6. Step 6: Final answer
    x = 84,567

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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.