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Finding the Fourth Proportional to 337,160.18, 505,989.12 and 159,666.86

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Solution

The fourth proportional to 337,160.18, 505,989.12 and 159,666.86 is: 239,618.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,160.18 : 505,989.12 = 159,666.86 : x
  2. Step 2: Convert to fraction form
    337,160.18/505,989.12 = 159,666.86/x
  3. Step 3: Cross multiply
    337,160.18x = 505,989.12 × 159,666.86
  4. Step 4: Simplify right side
    337,160.18x = 80,789,693,984.56
  5. Step 5: Solve for x
    x = 80,789,693,984.56/337,160.18
  6. Step 6: Final answer
    x = 239,618.14

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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.