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Finding the Fourth Proportional to 92,124, 138,186 and 26,460

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Solution

The fourth proportional to 92,124, 138,186 and 26,460 is: 39,690

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,124 : 138,186 = 26,460 : x
  2. Step 2: Convert to fraction form
    92,124/138,186 = 26,460/x
  3. Step 3: Cross multiply
    92,124x = 138,186 × 26,460
  4. Step 4: Simplify right side
    92,124x = 3,656,401,560
  5. Step 5: Solve for x
    x = 3,656,401,560/92,124
  6. Step 6: Final answer
    x = 39,690

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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.