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Finding the Fourth Proportional to 337,175.40, 505,763.10 and 87,857.40

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Solution

The fourth proportional to 337,175.40, 505,763.10 and 87,857.40 is: 131,786.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,175.40 : 505,763.10 = 87,857.40 : x
  2. Step 2: Convert to fraction form
    337,175.40/505,763.10 = 87,857.40/x
  3. Step 3: Cross multiply
    337,175.40x = 505,763.10 × 87,857.40
  4. Step 4: Simplify right side
    337,175.40x = 44,435,030,981.94
  5. Step 5: Solve for x
    x = 44,435,030,981.94/337,175.40
  6. Step 6: Final answer
    x = 131,786.10

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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.