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Finding the Fourth Proportional to 92,254, 138,381 and 26,590

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Solution

The fourth proportional to 92,254, 138,381 and 26,590 is: 39,885

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,254 : 138,381 = 26,590 : x
  2. Step 2: Convert to fraction form
    92,254/138,381 = 26,590/x
  3. Step 3: Cross multiply
    92,254x = 138,381 × 26,590
  4. Step 4: Simplify right side
    92,254x = 3,679,550,790
  5. Step 5: Solve for x
    x = 3,679,550,790/92,254
  6. Step 6: Final answer
    x = 39,885

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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.