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Finding the Fourth Proportional to 109,499.44, 151,109.26 and 59,198.44

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Solution

The fourth proportional to 109,499.44, 151,109.26 and 59,198.44 is: 81,693.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,499.44 : 151,109.26 = 59,198.44 : x
  2. Step 2: Convert to fraction form
    109,499.44/151,109.26 = 59,198.44/x
  3. Step 3: Cross multiply
    109,499.44x = 151,109.26 × 59,198.44
  4. Step 4: Simplify right side
    109,499.44x = 8,945,432,461.55
  5. Step 5: Solve for x
    x = 8,945,432,461.55/109,499.44
  6. Step 6: Final answer
    x = 81,693.86

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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.