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Finding the Fourth Proportional to 296,836.20, 445,254.30 and 119,251.80

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Solution

The fourth proportional to 296,836.20, 445,254.30 and 119,251.80 is: 178,877.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,836.20 : 445,254.30 = 119,251.80 : x
  2. Step 2: Convert to fraction form
    296,836.20/445,254.30 = 119,251.80/x
  3. Step 3: Cross multiply
    296,836.20x = 445,254.30 × 119,251.80
  4. Step 4: Simplify right side
    296,836.20x = 53,097,376,732.74
  5. Step 5: Solve for x
    x = 53,097,376,732.74/296,836.20
  6. Step 6: Final answer
    x = 178,877.70

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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.