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Finding the Fourth Proportional to 92,084.43, 127,087.76 and 51,799.89

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Solution

The fourth proportional to 92,084.43, 127,087.76 and 51,799.89 is: 71,490.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,084.43 : 127,087.76 = 51,799.89 : x
  2. Step 2: Convert to fraction form
    92,084.43/127,087.76 = 51,799.89/x
  3. Step 3: Cross multiply
    92,084.43x = 127,087.76 × 51,799.89
  4. Step 4: Simplify right side
    92,084.43x = 6,583,131,729.35
  5. Step 5: Solve for x
    x = 6,583,131,729.35/92,084.43
  6. Step 6: Final answer
    x = 71,490.17

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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.