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Finding the Fourth Proportional to 92,893.68, 139,338.09 and 32,921.28

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Solution

The fourth proportional to 92,893.68, 139,338.09 and 32,921.28 is: 49,381.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,893.68 : 139,338.09 = 32,921.28 : x
  2. Step 2: Convert to fraction form
    92,893.68/139,338.09 = 32,921.28/x
  3. Step 3: Cross multiply
    92,893.68x = 139,338.09 × 32,921.28
  4. Step 4: Simplify right side
    92,893.68x = 4,587,188,275.56
  5. Step 5: Solve for x
    x = 4,587,188,275.56/92,893.68
  6. Step 6: Final answer
    x = 49,381.06

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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.