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Finding the Fourth Proportional to 378,081.46, 567,107.52 and 93,772.72

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Solution

The fourth proportional to 378,081.46, 567,107.52 and 93,772.72 is: 140,655.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,081.46 : 567,107.52 = 93,772.72 : x
  2. Step 2: Convert to fraction form
    378,081.46/567,107.52 = 93,772.72/x
  3. Step 3: Cross multiply
    378,081.46x = 567,107.52 × 93,772.72
  4. Step 4: Simplify right side
    378,081.46x = 53,179,214,682.85
  5. Step 5: Solve for x
    x = 53,179,214,682.85/378,081.46
  6. Step 6: Final answer
    x = 140,655.44

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1.5x scale

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.