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Finding the Fourth Proportional to 92,692.86, 127,916.31 and 50,251.39

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Solution

The fourth proportional to 92,692.86, 127,916.31 and 50,251.39 is: 69,347.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,692.86 : 127,916.31 = 50,251.39 : x
  2. Step 2: Convert to fraction form
    92,692.86/127,916.31 = 50,251.39/x
  3. Step 3: Cross multiply
    92,692.86x = 127,916.31 × 50,251.39
  4. Step 4: Simplify right side
    92,692.86x = 6,427,972,249.82
  5. Step 5: Solve for x
    x = 6,427,972,249.82/92,692.86
  6. Step 6: Final answer
    x = 69,347.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.