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Finding the Fourth Proportional to 235,485.58, 324,960.21 and 133,517.89

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Solution

The fourth proportional to 235,485.58, 324,960.21 and 133,517.89 is: 184,249.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,485.58 : 324,960.21 = 133,517.89 : x
  2. Step 2: Convert to fraction form
    235,485.58/324,960.21 = 133,517.89/x
  3. Step 3: Cross multiply
    235,485.58x = 324,960.21 × 133,517.89
  4. Step 4: Simplify right side
    235,485.58x = 43,388,001,573.16
  5. Step 5: Solve for x
    x = 43,388,001,573.16/235,485.58
  6. Step 6: Final answer
    x = 184,249.08

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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.