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Finding the Fourth Proportional to 231,801.30, 347,615.55 and 161,471.70

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Solution

The fourth proportional to 231,801.30, 347,615.55 and 161,471.70 is: 242,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,801.30 : 347,615.55 = 161,471.70 : x
  2. Step 2: Convert to fraction form
    231,801.30/347,615.55 = 161,471.70/x
  3. Step 3: Cross multiply
    231,801.30x = 347,615.55 × 161,471.70
  4. Step 4: Simplify right side
    231,801.30x = 56,130,073,804.94
  5. Step 5: Solve for x
    x = 56,130,073,804.94/231,801.30
  6. Step 6: Final answer
    x = 242,147.36

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.