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Finding the Fourth Proportional to 91,876.57, 126,499.58 and 83,467.96

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Solution

The fourth proportional to 91,876.57, 126,499.58 and 83,467.96 is: 114,922.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,876.57 : 126,499.58 = 83,467.96 : x
  2. Step 2: Convert to fraction form
    91,876.57/126,499.58 = 83,467.96/x
  3. Step 3: Cross multiply
    91,876.57x = 126,499.58 × 83,467.96
  4. Step 4: Simplify right side
    91,876.57x = 10,558,661,883.46
  5. Step 5: Solve for x
    x = 10,558,661,883.46/91,876.57
  6. Step 6: Final answer
    x = 114,922.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.