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Finding the Fourth Proportional to 230,297.66, 317,811.44 and 133,520.33

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Solution

The fourth proportional to 230,297.66, 317,811.44 and 133,520.33 is: 184,258.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,297.66 : 317,811.44 = 133,520.33 : x
  2. Step 2: Convert to fraction form
    230,297.66/317,811.44 = 133,520.33/x
  3. Step 3: Cross multiply
    230,297.66x = 317,811.44 × 133,520.33
  4. Step 4: Simplify right side
    230,297.66x = 42,434,286,089.92
  5. Step 5: Solve for x
    x = 42,434,286,089.92/230,297.66
  6. Step 6: Final answer
    x = 184,258.43

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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.