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Finding the Fourth Proportional to 296,634.52, 445,007.94 and 119,155.42

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Solution

The fourth proportional to 296,634.52, 445,007.94 and 119,155.42 is: 178,755.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,634.52 : 445,007.94 = 119,155.42 : x
  2. Step 2: Convert to fraction form
    296,634.52/445,007.94 = 119,155.42/x
  3. Step 3: Cross multiply
    296,634.52x = 445,007.94 × 119,155.42
  4. Step 4: Simplify right side
    296,634.52x = 53,025,107,994.03
  5. Step 5: Solve for x
    x = 53,025,107,994.03/296,634.52
  6. Step 6: Final answer
    x = 178,755.69

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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.