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Finding the Fourth Proportional to 244,043.56, 336,741.33 and 136,618.12

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Solution

The fourth proportional to 244,043.56, 336,741.33 and 136,618.12 is: 188,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,043.56 : 336,741.33 = 136,618.12 : x
  2. Step 2: Convert to fraction form
    244,043.56/336,741.33 = 136,618.12/x
  3. Step 3: Cross multiply
    244,043.56x = 336,741.33 × 136,618.12
  4. Step 4: Simplify right side
    244,043.56x = 46,004,967,430.90
  5. Step 5: Solve for x
    x = 46,004,967,430.90/244,043.56
  6. Step 6: Final answer
    x = 188,511.29

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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.