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Finding the Fourth Proportional to 177,517.28, 245,005.50 and 104,917.22

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Solution

The fourth proportional to 177,517.28, 245,005.50 and 104,917.22 is: 144,804.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,517.28 : 245,005.50 = 104,917.22 : x
  2. Step 2: Convert to fraction form
    177,517.28/245,005.50 = 104,917.22/x
  3. Step 3: Cross multiply
    177,517.28x = 245,005.50 × 104,917.22
  4. Step 4: Simplify right side
    177,517.28x = 25,705,295,944.71
  5. Step 5: Solve for x
    x = 25,705,295,944.71/177,517.28
  6. Step 6: Final answer
    x = 144,804.47

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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.