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Finding the Fourth Proportional to 169,043.49, 232,809.39 and 130,661.64

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Solution

The fourth proportional to 169,043.49, 232,809.39 and 130,661.64 is: 179,949.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,043.49 : 232,809.39 = 130,661.64 : x
  2. Step 2: Convert to fraction form
    169,043.49/232,809.39 = 130,661.64/x
  3. Step 3: Cross multiply
    169,043.49x = 232,809.39 × 130,661.64
  4. Step 4: Simplify right side
    169,043.49x = 30,419,256,704.80
  5. Step 5: Solve for x
    x = 30,419,256,704.80/169,043.49
  6. Step 6: Final answer
    x = 179,949.29

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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.