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Finding the Fourth Proportional to 149,310.59, 223,963.15 and 36,991.05

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Solution

The fourth proportional to 149,310.59, 223,963.15 and 36,991.05 is: 55,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,310.59 : 223,963.15 = 36,991.05 : x
  2. Step 2: Convert to fraction form
    149,310.59/223,963.15 = 36,991.05/x
  3. Step 3: Cross multiply
    149,310.59x = 223,963.15 × 36,991.05
  4. Step 4: Simplify right side
    149,310.59x = 8,284,633,210.55
  5. Step 5: Solve for x
    x = 8,284,633,210.55/149,310.59
  6. Step 6: Final answer
    x = 55,485.90

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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.