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Finding the Fourth Proportional to 92,703, 139,058.82 and 27,039

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Solution

The fourth proportional to 92,703, 139,058.82 and 27,039 is: 40,559.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,703 : 139,058.82 = 27,039 : x
  2. Step 2: Convert to fraction form
    92,703/139,058.82 = 27,039/x
  3. Step 3: Cross multiply
    92,703x = 139,058.82 × 27,039
  4. Step 4: Simplify right side
    92,703x = 3,760,011,433.98
  5. Step 5: Solve for x
    x = 3,760,011,433.98/92,703
  6. Step 6: Final answer
    x = 40,559.76

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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.