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Finding the Fourth Proportional to 109,774.44, 151,410.87 and 92,934.54

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Solution

The fourth proportional to 109,774.44, 151,410.87 and 92,934.54 is: 128,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,774.44 : 151,410.87 = 92,934.54 : x
  2. Step 2: Convert to fraction form
    109,774.44/151,410.87 = 92,934.54/x
  3. Step 3: Cross multiply
    109,774.44x = 151,410.87 × 92,934.54
  4. Step 4: Simplify right side
    109,774.44x = 14,071,299,554.45
  5. Step 5: Solve for x
    x = 14,071,299,554.45/109,774.44
  6. Step 6: Final answer
    x = 128,183.75

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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.