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Finding the Fourth Proportional to 235,790, 324,669.63 and 177,731.08

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Solution

The fourth proportional to 235,790, 324,669.63 and 177,731.08 is: 244,725.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,790 : 324,669.63 = 177,731.08 : x
  2. Step 2: Convert to fraction form
    235,790/324,669.63 = 177,731.08/x
  3. Step 3: Cross multiply
    235,790x = 324,669.63 × 177,731.08
  4. Step 4: Simplify right side
    235,790x = 57,703,883,983.10
  5. Step 5: Solve for x
    x = 57,703,883,983.10/235,790
  6. Step 6: Final answer
    x = 244,725.75

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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.