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Finding the Fourth Proportional to 269,748.45, 404,493.39 and 127,475.28

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Solution

The fourth proportional to 269,748.45, 404,493.39 and 127,475.28 is: 191,151.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,748.45 : 404,493.39 = 127,475.28 : x
  2. Step 2: Convert to fraction form
    269,748.45/404,493.39 = 127,475.28/x
  3. Step 3: Cross multiply
    269,748.45x = 404,493.39 × 127,475.28
  4. Step 4: Simplify right side
    269,748.45x = 51,562,908,148.40
  5. Step 5: Solve for x
    x = 51,562,908,148.40/269,748.45
  6. Step 6: Final answer
    x = 191,151.82

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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.