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Finding the Fourth Proportional to 168,012.40, 231,854.52 and 92,563.60

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Solution

The fourth proportional to 168,012.40, 231,854.52 and 92,563.60 is: 127,736.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,012.40 : 231,854.52 = 92,563.60 : x
  2. Step 2: Convert to fraction form
    168,012.40/231,854.52 = 92,563.60/x
  3. Step 3: Cross multiply
    168,012.40x = 231,854.52 × 92,563.60
  4. Step 4: Simplify right side
    168,012.40x = 21,461,289,047.47
  5. Step 5: Solve for x
    x = 21,461,289,047.47/168,012.40
  6. Step 6: Final answer
    x = 127,736.34

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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.