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Finding the Fourth Proportional to 177,540.84, 245,007.75 and 96,966.90

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Solution

The fourth proportional to 177,540.84, 245,007.75 and 96,966.90 is: 133,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,540.84 : 245,007.75 = 96,966.90 : x
  2. Step 2: Convert to fraction form
    177,540.84/245,007.75 = 96,966.90/x
  3. Step 3: Cross multiply
    177,540.84x = 245,007.75 × 96,966.90
  4. Step 4: Simplify right side
    177,540.84x = 23,757,641,993.48
  5. Step 5: Solve for x
    x = 23,757,641,993.48/177,540.84
  6. Step 6: Final answer
    x = 133,815.08

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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.