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Finding the Fourth Proportional to 297,161.84, 445,760.76 and 119,668.88

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Solution

The fourth proportional to 297,161.84, 445,760.76 and 119,668.88 is: 179,510.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,161.84 : 445,760.76 = 119,668.88 : x
  2. Step 2: Convert to fraction form
    297,161.84/445,760.76 = 119,668.88/x
  3. Step 3: Cross multiply
    297,161.84x = 445,760.76 × 119,668.88
  4. Step 4: Simplify right side
    297,161.84x = 53,343,690,897.15
  5. Step 5: Solve for x
    x = 53,343,690,897.15/297,161.84
  6. Step 6: Final answer
    x = 179,510.57

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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.