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Finding the Fourth Proportional to 92,092.21, 127,087.07 and 51,806.01

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Solution

The fourth proportional to 92,092.21, 127,087.07 and 51,806.01 is: 71,492.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,092.21 : 127,087.07 = 51,806.01 : x
  2. Step 2: Convert to fraction form
    92,092.21/127,087.07 = 51,806.01/x
  3. Step 3: Cross multiply
    92,092.21x = 127,087.07 × 51,806.01
  4. Step 4: Simplify right side
    92,092.21x = 6,583,873,672.23
  5. Step 5: Solve for x
    x = 6,583,873,672.23/92,092.21
  6. Step 6: Final answer
    x = 71,492.19

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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.