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Finding the Fourth Proportional to 91,954.63, 126,901.11 and 51,668.26

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Solution

The fourth proportional to 91,954.63, 126,901.11 and 51,668.26 is: 71,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,954.63 : 126,901.11 = 51,668.26 : x
  2. Step 2: Convert to fraction form
    91,954.63/126,901.11 = 51,668.26/x
  3. Step 3: Cross multiply
    91,954.63x = 126,901.11 × 51,668.26
  4. Step 4: Simplify right side
    91,954.63x = 6,556,759,545.77
  5. Step 5: Solve for x
    x = 6,556,759,545.77/91,954.63
  6. Step 6: Final answer
    x = 71,304.29

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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.