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Finding the Fourth Proportional to 235,007.66, 324,310.97 and 134,405.66

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Solution

The fourth proportional to 235,007.66, 324,310.97 and 134,405.66 is: 185,480.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,007.66 : 324,310.97 = 134,405.66 : x
  2. Step 2: Convert to fraction form
    235,007.66/324,310.97 = 134,405.66/x
  3. Step 3: Cross multiply
    235,007.66x = 324,310.97 × 134,405.66
  4. Step 4: Simplify right side
    235,007.66x = 43,589,228,346.54
  5. Step 5: Solve for x
    x = 43,589,228,346.54/235,007.66
  6. Step 6: Final answer
    x = 185,480.04

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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.