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Finding the Fourth Proportional to 168,382.57, 253,115.16 and 135,468.22

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Solution

The fourth proportional to 168,382.57, 253,115.16 and 135,468.22 is: 203,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,382.57 : 253,115.16 = 135,468.22 : x
  2. Step 2: Convert to fraction form
    168,382.57/253,115.16 = 135,468.22/x
  3. Step 3: Cross multiply
    168,382.57x = 253,115.16 × 135,468.22
  4. Step 4: Simplify right side
    168,382.57x = 34,289,060,180.22
  5. Step 5: Solve for x
    x = 34,289,060,180.22/168,382.57
  6. Step 6: Final answer
    x = 203,637.82

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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.