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Finding the Fourth Proportional to 92,935.88, 128,257.84 and 52,649.96

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Solution

The fourth proportional to 92,935.88, 128,257.84 and 52,649.96 is: 72,660.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,935.88 : 128,257.84 = 52,649.96 : x
  2. Step 2: Convert to fraction form
    92,935.88/128,257.84 = 52,649.96/x
  3. Step 3: Cross multiply
    92,935.88x = 128,257.84 × 52,649.96
  4. Step 4: Simplify right side
    92,935.88x = 6,752,770,145.69
  5. Step 5: Solve for x
    x = 6,752,770,145.69/92,935.88
  6. Step 6: Final answer
    x = 72,660.53

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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.