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Finding the Fourth Proportional to 186,725.43, 279,944.59 and 96,671.61

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Solution

The fourth proportional to 186,725.43, 279,944.59 and 96,671.61 is: 144,933.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,725.43 : 279,944.59 = 96,671.61 : x
  2. Step 2: Convert to fraction form
    186,725.43/279,944.59 = 96,671.61/x
  3. Step 3: Cross multiply
    186,725.43x = 279,944.59 × 96,671.61
  4. Step 4: Simplify right side
    186,725.43x = 27,062,694,226.09
  5. Step 5: Solve for x
    x = 27,062,694,226.09/186,725.43
  6. Step 6: Final answer
    x = 144,933.09

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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.