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Finding the Fourth Proportional to 180,426.50, 248,992.20 and 99,851.96

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Solution

The fourth proportional to 180,426.50, 248,992.20 and 99,851.96 is: 137,797.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,426.50 : 248,992.20 = 99,851.96 : x
  2. Step 2: Convert to fraction form
    180,426.50/248,992.20 = 99,851.96/x
  3. Step 3: Cross multiply
    180,426.50x = 248,992.20 × 99,851.96
  4. Step 4: Simplify right side
    180,426.50x = 24,862,359,194.71
  5. Step 5: Solve for x
    x = 24,862,359,194.71/180,426.50
  6. Step 6: Final answer
    x = 137,797.71

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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.