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Finding the Fourth Proportional to 76,091.58, 104,956.56 and 45,856.44

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Solution

The fourth proportional to 76,091.58, 104,956.56 and 45,856.44 is: 63,251.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,091.58 : 104,956.56 = 45,856.44 : x
  2. Step 2: Convert to fraction form
    76,091.58/104,956.56 = 45,856.44/x
  3. Step 3: Cross multiply
    76,091.58x = 104,956.56 × 45,856.44
  4. Step 4: Simplify right side
    76,091.58x = 4,812,934,196.25
  5. Step 5: Solve for x
    x = 4,812,934,196.25/76,091.58
  6. Step 6: Final answer
    x = 63,251.86

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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.