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Finding the Fourth Proportional to 92,020.66, 126,989.06 and 51,734.08

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Solution

The fourth proportional to 92,020.66, 126,989.06 and 51,734.08 is: 71,393.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,020.66 : 126,989.06 = 51,734.08 : x
  2. Step 2: Convert to fraction form
    92,020.66/126,989.06 = 51,734.08/x
  3. Step 3: Cross multiply
    92,020.66x = 126,989.06 × 51,734.08
  4. Step 4: Simplify right side
    92,020.66x = 6,569,661,295.55
  5. Step 5: Solve for x
    x = 6,569,661,295.55/92,020.66
  6. Step 6: Final answer
    x = 71,393.33

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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.