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Finding the Fourth Proportional to 231,882.80, 347,737.80 and 161,553.20

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Solution

The fourth proportional to 231,882.80, 347,737.80 and 161,553.20 is: 242,269.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,882.80 : 347,737.80 = 161,553.20 : x
  2. Step 2: Convert to fraction form
    231,882.80/347,737.80 = 161,553.20/x
  3. Step 3: Cross multiply
    231,882.80x = 347,737.80 × 161,553.20
  4. Step 4: Simplify right side
    231,882.80x = 56,178,154,350.96
  5. Step 5: Solve for x
    x = 56,178,154,350.96/231,882.80
  6. Step 6: Final answer
    x = 242,269.60

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1.5x scale

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.