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Finding the Fourth Proportional to 244,844.64, 337,876.80 and 137,419.20

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Solution

The fourth proportional to 244,844.64, 337,876.80 and 137,419.20 is: 189,633.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,844.64 : 337,876.80 = 137,419.20 : x
  2. Step 2: Convert to fraction form
    244,844.64/337,876.80 = 137,419.20/x
  3. Step 3: Cross multiply
    244,844.64x = 337,876.80 × 137,419.20
  4. Step 4: Simplify right side
    244,844.64x = 46,430,759,554.56
  5. Step 5: Solve for x
    x = 46,430,759,554.56/244,844.64
  6. Step 6: Final answer
    x = 189,633.56

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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.