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Finding the Fourth Proportional to 92,156.89, 127,162.68 and 51,868.26

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Solution

The fourth proportional to 92,156.89, 127,162.68 and 51,868.26 is: 71,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,156.89 : 127,162.68 = 51,868.26 : x
  2. Step 2: Convert to fraction form
    92,156.89/127,162.68 = 51,868.26/x
  3. Step 3: Cross multiply
    92,156.89x = 127,162.68 × 51,868.26
  4. Step 4: Simplify right side
    92,156.89x = 6,595,706,948.54
  5. Step 5: Solve for x
    x = 6,595,706,948.54/92,156.89
  6. Step 6: Final answer
    x = 71,570.42

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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.