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Finding the Fourth Proportional to 79,563.56, 109,800.18 and 43,755.08

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Solution

The fourth proportional to 79,563.56, 109,800.18 and 43,755.08 is: 60,383.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,563.56 : 109,800.18 = 43,755.08 : x
  2. Step 2: Convert to fraction form
    79,563.56/109,800.18 = 43,755.08/x
  3. Step 3: Cross multiply
    79,563.56x = 109,800.18 × 43,755.08
  4. Step 4: Simplify right side
    79,563.56x = 4,804,315,659.91
  5. Step 5: Solve for x
    x = 4,804,315,659.91/79,563.56
  6. Step 6: Final answer
    x = 60,383.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.