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Finding the Fourth Proportional to 207,168.96, 286,975.92 and 202,969.92

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Solution

The fourth proportional to 207,168.96, 286,975.92 and 202,969.92 is: 281,159.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,168.96 : 286,975.92 = 202,969.92 : x
  2. Step 2: Convert to fraction form
    207,168.96/286,975.92 = 202,969.92/x
  3. Step 3: Cross multiply
    207,168.96x = 286,975.92 × 202,969.92
  4. Step 4: Simplify right side
    207,168.96x = 58,247,479,524.33
  5. Step 5: Solve for x
    x = 58,247,479,524.33/207,168.96
  6. Step 6: Final answer
    x = 281,159.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.