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Finding the Fourth Proportional to 79,559.87, 109,795.43 and 43,752.60

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Solution

The fourth proportional to 79,559.87, 109,795.43 and 43,752.60 is: 60,380.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,559.87 : 109,795.43 = 43,752.60 : x
  2. Step 2: Convert to fraction form
    79,559.87/109,795.43 = 43,752.60/x
  3. Step 3: Cross multiply
    79,559.87x = 109,795.43 × 43,752.60
  4. Step 4: Simplify right side
    79,559.87x = 4,803,835,640.00
  5. Step 5: Solve for x
    x = 4,803,835,640.00/79,559.87
  6. Step 6: Final answer
    x = 60,380.14

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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.