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Finding the Fourth Proportional to 225,297.42, 310,889.36 and 134,635.38

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Solution

The fourth proportional to 225,297.42, 310,889.36 and 134,635.38 is: 185,784.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,297.42 : 310,889.36 = 134,635.38 : x
  2. Step 2: Convert to fraction form
    225,297.42/310,889.36 = 134,635.38/x
  3. Step 3: Cross multiply
    225,297.42x = 310,889.36 × 134,635.38
  4. Step 4: Simplify right side
    225,297.42x = 41,856,707,121.56
  5. Step 5: Solve for x
    x = 41,856,707,121.56/225,297.42
  6. Step 6: Final answer
    x = 185,784.23

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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.