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Finding the Fourth Proportional to 231,825.80, 347,652.30 and 161,496.20

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Solution

The fourth proportional to 231,825.80, 347,652.30 and 161,496.20 is: 242,184.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,825.80 : 347,652.30 = 161,496.20 : x
  2. Step 2: Convert to fraction form
    231,825.80/347,652.30 = 161,496.20/x
  3. Step 3: Cross multiply
    231,825.80x = 347,652.30 × 161,496.20
  4. Step 4: Simplify right side
    231,825.80x = 56,144,525,371.26
  5. Step 5: Solve for x
    x = 56,144,525,371.26/231,825.80
  6. Step 6: Final answer
    x = 242,184.11

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Why These Related Problems?

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