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Finding the Fourth Proportional to 265,118.88, 397,594.08 and 87,592.80

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Solution

The fourth proportional to 265,118.88, 397,594.08 and 87,592.80 is: 131,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,118.88 : 397,594.08 = 87,592.80 : x
  2. Step 2: Convert to fraction form
    265,118.88/397,594.08 = 87,592.80/x
  3. Step 3: Cross multiply
    265,118.88x = 397,594.08 × 87,592.80
  4. Step 4: Simplify right side
    265,118.88x = 34,826,378,730.62
  5. Step 5: Solve for x
    x = 34,826,378,730.62/265,118.88
  6. Step 6: Final answer
    x = 131,361.37

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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.