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Finding the Fourth Proportional to 245,546.64, 338,564.52 and 168,059.65

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Solution

The fourth proportional to 245,546.64, 338,564.52 and 168,059.65 is: 231,723.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,546.64 : 338,564.52 = 168,059.65 : x
  2. Step 2: Convert to fraction form
    245,546.64/338,564.52 = 168,059.65/x
  3. Step 3: Cross multiply
    245,546.64x = 338,564.52 × 168,059.65
  4. Step 4: Simplify right side
    245,546.64x = 56,899,035,361.22
  5. Step 5: Solve for x
    x = 56,899,035,361.22/245,546.64
  6. Step 6: Final answer
    x = 231,723.94

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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.