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Finding the Fourth Proportional to 79,575, 109,814.41 and 43,765.60

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Solution

The fourth proportional to 79,575, 109,814.41 and 43,765.60 is: 60,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,575 : 109,814.41 = 43,765.60 : x
  2. Step 2: Convert to fraction form
    79,575/109,814.41 = 43,765.60/x
  3. Step 3: Cross multiply
    79,575x = 109,814.41 × 43,765.60
  4. Step 4: Simplify right side
    79,575x = 4,806,093,542.30
  5. Step 5: Solve for x
    x = 4,806,093,542.30/79,575
  6. Step 6: Final answer
    x = 60,397.03

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