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Finding the Fourth Proportional to 169,137.60, 233,303.67 and 108,786.66

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Solution

The fourth proportional to 169,137.60, 233,303.67 and 108,786.66 is: 150,057.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,137.60 : 233,303.67 = 108,786.66 : x
  2. Step 2: Convert to fraction form
    169,137.60/233,303.67 = 108,786.66/x
  3. Step 3: Cross multiply
    169,137.60x = 233,303.67 × 108,786.66
  4. Step 4: Simplify right side
    169,137.60x = 25,380,327,025.04
  5. Step 5: Solve for x
    x = 25,380,327,025.04/169,137.60
  6. Step 6: Final answer
    x = 150,057.27

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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.