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Finding the Fourth Proportional to 322,150.92, 483,188.82 and 85,511.98

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Solution

The fourth proportional to 322,150.92, 483,188.82 and 85,511.98 is: 128,258.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,150.92 : 483,188.82 = 85,511.98 : x
  2. Step 2: Convert to fraction form
    322,150.92/483,188.82 = 85,511.98/x
  3. Step 3: Cross multiply
    322,150.92x = 483,188.82 × 85,511.98
  4. Step 4: Simplify right side
    322,150.92x = 41,318,432,712.06
  5. Step 5: Solve for x
    x = 41,318,432,712.06/322,150.92
  6. Step 6: Final answer
    x = 128,258.00

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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.