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Finding the Fourth Proportional to 111,059.56, 166,322.40 and 63,530.56

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Solution

The fourth proportional to 111,059.56, 166,322.40 and 63,530.56 is: 95,143.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,059.56 : 166,322.40 = 63,530.56 : x
  2. Step 2: Convert to fraction form
    111,059.56/166,322.40 = 63,530.56/x
  3. Step 3: Cross multiply
    111,059.56x = 166,322.40 × 63,530.56
  4. Step 4: Simplify right side
    111,059.56x = 10,566,555,212.54
  5. Step 5: Solve for x
    x = 10,566,555,212.54/111,059.56
  6. Step 6: Final answer
    x = 95,143.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.