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Finding the Fourth Proportional to 168,389.31, 252,224.84 and 136,230.38

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Solution

The fourth proportional to 168,389.31, 252,224.84 and 136,230.38 is: 204,055.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,389.31 : 252,224.84 = 136,230.38 : x
  2. Step 2: Convert to fraction form
    168,389.31/252,224.84 = 136,230.38/x
  3. Step 3: Cross multiply
    168,389.31x = 252,224.84 × 136,230.38
  4. Step 4: Simplify right side
    168,389.31x = 34,360,685,798.64
  5. Step 5: Solve for x
    x = 34,360,685,798.64/168,389.31
  6. Step 6: Final answer
    x = 204,055.03

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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.