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Finding the Fourth Proportional to 92,939.44, 128,256.96 and 50,498.32

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Solution

The fourth proportional to 92,939.44, 128,256.96 and 50,498.32 is: 69,687.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,939.44 : 128,256.96 = 50,498.32 : x
  2. Step 2: Convert to fraction form
    92,939.44/128,256.96 = 50,498.32/x
  3. Step 3: Cross multiply
    92,939.44x = 128,256.96 × 50,498.32
  4. Step 4: Simplify right side
    92,939.44x = 6,476,761,008.31
  5. Step 5: Solve for x
    x = 6,476,761,008.31/92,939.44
  6. Step 6: Final answer
    x = 69,687.97

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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.