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Finding the Fourth Proportional to 337,176.25, 505,764.38 and 87,858.25

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Solution

The fourth proportional to 337,176.25, 505,764.38 and 87,858.25 is: 131,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,176.25 : 505,764.38 = 87,858.25 : x
  2. Step 2: Convert to fraction form
    337,176.25/505,764.38 = 87,858.25/x
  3. Step 3: Cross multiply
    337,176.25x = 505,764.38 × 87,858.25
  4. Step 4: Simplify right side
    337,176.25x = 44,435,573,339.14
  5. Step 5: Solve for x
    x = 44,435,573,339.14/337,176.25
  6. Step 6: Final answer
    x = 131,787.38

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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.