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Finding the Fourth Proportional to 114,289.92, 171,432.96 and 31,183.92

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Solution

The fourth proportional to 114,289.92, 171,432.96 and 31,183.92 is: 46,775.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,289.92 : 171,432.96 = 31,183.92 : x
  2. Step 2: Convert to fraction form
    114,289.92/171,432.96 = 31,183.92/x
  3. Step 3: Cross multiply
    114,289.92x = 171,432.96 × 31,183.92
  4. Step 4: Simplify right side
    114,289.92x = 5,345,951,710.00
  5. Step 5: Solve for x
    x = 5,345,951,710.00/114,289.92
  6. Step 6: Final answer
    x = 46,775.36

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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.