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Finding the Fourth Proportional to 169,203.69, 233,607.27 and 108,879.17

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Solution

The fourth proportional to 169,203.69, 233,607.27 and 108,879.17 is: 150,321.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,203.69 : 233,607.27 = 108,879.17 : x
  2. Step 2: Convert to fraction form
    169,203.69/233,607.27 = 108,879.17/x
  3. Step 3: Cross multiply
    169,203.69x = 233,607.27 × 108,879.17
  4. Step 4: Simplify right side
    169,203.69x = 25,434,965,119.17
  5. Step 5: Solve for x
    x = 25,434,965,119.17/169,203.69
  6. Step 6: Final answer
    x = 150,321.57

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1.5x scale

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.