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Finding the Fourth Proportional to 92,610.63, 138,916.64 and 26,057.49

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Solution

The fourth proportional to 92,610.63, 138,916.64 and 26,057.49 is: 39,086.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,610.63 : 138,916.64 = 26,057.49 : x
  2. Step 2: Convert to fraction form
    92,610.63/138,916.64 = 26,057.49/x
  3. Step 3: Cross multiply
    92,610.63x = 138,916.64 × 26,057.49
  4. Step 4: Simplify right side
    92,610.63x = 3,619,818,827.35
  5. Step 5: Solve for x
    x = 3,619,818,827.35/92,610.63
  6. Step 6: Final answer
    x = 39,086.43

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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.