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Finding the Fourth Proportional to 249,768.82, 344,676.21 and 136,591.22

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Solution

The fourth proportional to 249,768.82, 344,676.21 and 136,591.22 is: 188,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,768.82 : 344,676.21 = 136,591.22 : x
  2. Step 2: Convert to fraction form
    249,768.82/344,676.21 = 136,591.22/x
  3. Step 3: Cross multiply
    249,768.82x = 344,676.21 × 136,591.22
  4. Step 4: Simplify right side
    249,768.82x = 47,079,744,028.88
  5. Step 5: Solve for x
    x = 47,079,744,028.88/249,768.82
  6. Step 6: Final answer
    x = 188,493.28

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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.