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Finding the Fourth Proportional to 118,801.27, 178,234.71 and 47,745.64

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Solution

The fourth proportional to 118,801.27, 178,234.71 and 47,745.64 is: 71,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,801.27 : 178,234.71 = 47,745.64 : x
  2. Step 2: Convert to fraction form
    118,801.27/178,234.71 = 47,745.64/x
  3. Step 3: Cross multiply
    118,801.27x = 178,234.71 × 47,745.64
  4. Step 4: Simplify right side
    118,801.27x = 8,509,930,299.16
  5. Step 5: Solve for x
    x = 8,509,930,299.16/118,801.27
  6. Step 6: Final answer
    x = 71,631.64

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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.