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Finding the Fourth Proportional to 177,589.80, 245,033.64 and 105,955.92

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Solution

The fourth proportional to 177,589.80, 245,033.64 and 105,955.92 is: 146,195.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,589.80 : 245,033.64 = 105,955.92 : x
  2. Step 2: Convert to fraction form
    177,589.80/245,033.64 = 105,955.92/x
  3. Step 3: Cross multiply
    177,589.80x = 245,033.64 × 105,955.92
  4. Step 4: Simplify right side
    177,589.80x = 25,962,764,757.15
  5. Step 5: Solve for x
    x = 25,962,764,757.15/177,589.80
  6. Step 6: Final answer
    x = 146,195.13

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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.