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Finding the Fourth Proportional to 79,559.43, 109,788.26 and 43,750.95

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Solution

The fourth proportional to 79,559.43, 109,788.26 and 43,750.95 is: 60,374.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,559.43 : 109,788.26 = 43,750.95 : x
  2. Step 2: Convert to fraction form
    79,559.43/109,788.26 = 43,750.95/x
  3. Step 3: Cross multiply
    79,559.43x = 109,788.26 × 43,750.95
  4. Step 4: Simplify right side
    79,559.43x = 4,803,340,455.09
  5. Step 5: Solve for x
    x = 4,803,340,455.09/79,559.43
  6. Step 6: Final answer
    x = 60,374.24

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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.