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Finding the Fourth Proportional to 92,908.86, 139,363.02 and 33,744.30

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Solution

The fourth proportional to 92,908.86, 139,363.02 and 33,744.30 is: 50,616.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,908.86 : 139,363.02 = 33,744.30 : x
  2. Step 2: Convert to fraction form
    92,908.86/139,363.02 = 33,744.30/x
  3. Step 3: Cross multiply
    92,908.86x = 139,363.02 × 33,744.30
  4. Step 4: Simplify right side
    92,908.86x = 4,702,707,555.79
  5. Step 5: Solve for x
    x = 4,702,707,555.79/92,908.86
  6. Step 6: Final answer
    x = 50,616.35

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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.