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Finding the Fourth Proportional to 92,757.44, 139,108.31 and 39,448.97

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Solution

The fourth proportional to 92,757.44, 139,108.31 and 39,448.97 is: 59,161.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,757.44 : 139,108.31 = 39,448.97 : x
  2. Step 2: Convert to fraction form
    92,757.44/139,108.31 = 39,448.97/x
  3. Step 3: Cross multiply
    92,757.44x = 139,108.31 × 39,448.97
  4. Step 4: Simplify right side
    92,757.44x = 5,487,680,218.18
  5. Step 5: Solve for x
    x = 5,487,680,218.18/92,757.44
  6. Step 6: Final answer
    x = 59,161.62

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1.5x scale

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.