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Finding the Fourth Proportional to 92,055.69, 127,020.96 and 51,766.29

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Solution

The fourth proportional to 92,055.69, 127,020.96 and 51,766.29 is: 71,428.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,055.69 : 127,020.96 = 51,766.29 : x
  2. Step 2: Convert to fraction form
    92,055.69/127,020.96 = 51,766.29/x
  3. Step 3: Cross multiply
    92,055.69x = 127,020.96 × 51,766.29
  4. Step 4: Simplify right side
    92,055.69x = 6,575,403,851.44
  5. Step 5: Solve for x
    x = 6,575,403,851.44/92,055.69
  6. Step 6: Final answer
    x = 71,428.54

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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.