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Finding the Fourth Proportional to 269,133.17, 403,422.71 and 119,443.95

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Solution

The fourth proportional to 269,133.17, 403,422.71 and 119,443.95 is: 179,042.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,133.17 : 403,422.71 = 119,443.95 : x
  2. Step 2: Convert to fraction form
    269,133.17/403,422.71 = 119,443.95/x
  3. Step 3: Cross multiply
    269,133.17x = 403,422.71 × 119,443.95
  4. Step 4: Simplify right side
    269,133.17x = 48,186,401,404.88
  5. Step 5: Solve for x
    x = 48,186,401,404.88/269,133.17
  6. Step 6: Final answer
    x = 179,042.97

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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.