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Finding the Fourth Proportional to 61,157.22, 91,719.18 and 16,773.41

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Solution

The fourth proportional to 61,157.22, 91,719.18 and 16,773.41 is: 25,155.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,157.22 : 91,719.18 = 16,773.41 : x
  2. Step 2: Convert to fraction form
    61,157.22/91,719.18 = 16,773.41/x
  3. Step 3: Cross multiply
    61,157.22x = 91,719.18 × 16,773.41
  4. Step 4: Simplify right side
    61,157.22x = 1,538,442,952.41
  5. Step 5: Solve for x
    x = 1,538,442,952.41/61,157.22
  6. Step 6: Final answer
    x = 25,155.54

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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.