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Finding the Fourth Proportional to 168,179.92, 252,056.56 and 166,400.20

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Solution

The fourth proportional to 168,179.92, 252,056.56 and 166,400.20 is: 249,389.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,179.92 : 252,056.56 = 166,400.20 : x
  2. Step 2: Convert to fraction form
    168,179.92/252,056.56 = 166,400.20/x
  3. Step 3: Cross multiply
    168,179.92x = 252,056.56 × 166,400.20
  4. Step 4: Simplify right side
    168,179.92x = 41,942,261,995.31
  5. Step 5: Solve for x
    x = 41,942,261,995.31/168,179.92
  6. Step 6: Final answer
    x = 249,389.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.