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Finding the Fourth Proportional to 92,335.43, 127,422.84 and 49,893.95

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Solution

The fourth proportional to 92,335.43, 127,422.84 and 49,893.95 is: 68,853.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,335.43 : 127,422.84 = 49,893.95 : x
  2. Step 2: Convert to fraction form
    92,335.43/127,422.84 = 49,893.95/x
  3. Step 3: Cross multiply
    92,335.43x = 127,422.84 × 49,893.95
  4. Step 4: Simplify right side
    92,335.43x = 6,357,628,807.82
  5. Step 5: Solve for x
    x = 6,357,628,807.82/92,335.43
  6. Step 6: Final answer
    x = 68,853.62

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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.