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Finding the Fourth Proportional to 337,165.50, 505,748.26 and 87,847.50

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Solution

The fourth proportional to 337,165.50, 505,748.26 and 87,847.50 is: 131,771.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,165.50 : 505,748.26 = 87,847.50 : x
  2. Step 2: Convert to fraction form
    337,165.50/505,748.26 = 87,847.50/x
  3. Step 3: Cross multiply
    337,165.50x = 505,748.26 × 87,847.50
  4. Step 4: Simplify right side
    337,165.50x = 44,428,720,270.35
  5. Step 5: Solve for x
    x = 44,428,720,270.35/337,165.50
  6. Step 6: Final answer
    x = 131,771.25

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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.