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Finding the Fourth Proportional to 92,726.81, 127,961.88 and 50,284.84

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Solution

The fourth proportional to 92,726.81, 127,961.88 and 50,284.84 is: 69,392.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,726.81 : 127,961.88 = 50,284.84 : x
  2. Step 2: Convert to fraction form
    92,726.81/127,961.88 = 50,284.84/x
  3. Step 3: Cross multiply
    92,726.81x = 127,961.88 × 50,284.84
  4. Step 4: Simplify right side
    92,726.81x = 6,434,542,661.90
  5. Step 5: Solve for x
    x = 6,434,542,661.90/92,726.81
  6. Step 6: Final answer
    x = 69,392.47

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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.