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Finding the Fourth Proportional to 337,340.14, 505,838.24 and 112,619.80

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Solution

The fourth proportional to 337,340.14, 505,838.24 and 112,619.80 is: 168,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,340.14 : 505,838.24 = 112,619.80 : x
  2. Step 2: Convert to fraction form
    337,340.14/505,838.24 = 112,619.80/x
  3. Step 3: Cross multiply
    337,340.14x = 505,838.24 × 112,619.80
  4. Step 4: Simplify right side
    337,340.14x = 56,967,401,421.15
  5. Step 5: Solve for x
    x = 56,967,401,421.15/337,340.14
  6. Step 6: Final answer
    x = 168,872.29

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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.