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Finding the Fourth Proportional to 146,591.70, 219,887.55 and 83,606.10

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Solution

The fourth proportional to 146,591.70, 219,887.55 and 83,606.10 is: 125,409.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,591.70 : 219,887.55 = 83,606.10 : x
  2. Step 2: Convert to fraction form
    146,591.70/219,887.55 = 83,606.10/x
  3. Step 3: Cross multiply
    146,591.70x = 219,887.55 × 83,606.10
  4. Step 4: Simplify right side
    146,591.70x = 18,383,940,494.06
  5. Step 5: Solve for x
    x = 18,383,940,494.06/146,591.70
  6. Step 6: Final answer
    x = 125,409.15

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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.