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Finding the Fourth Proportional to 171,879.37, 237,237.12 and 117,453.57

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Solution

The fourth proportional to 171,879.37, 237,237.12 and 117,453.57 is: 162,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,879.37 : 237,237.12 = 117,453.57 : x
  2. Step 2: Convert to fraction form
    171,879.37/237,237.12 = 117,453.57/x
  3. Step 3: Cross multiply
    171,879.37x = 237,237.12 × 117,453.57
  4. Step 4: Simplify right side
    171,879.37x = 27,864,346,680.52
  5. Step 5: Solve for x
    x = 27,864,346,680.52/171,879.37
  6. Step 6: Final answer
    x = 162,115.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.