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Finding the Fourth Proportional to 181,993.86, 272,991.51 and 55,633.64

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Solution

The fourth proportional to 181,993.86, 272,991.51 and 55,633.64 is: 83,450.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,993.86 : 272,991.51 = 55,633.64 : x
  2. Step 2: Convert to fraction form
    181,993.86/272,991.51 = 55,633.64/x
  3. Step 3: Cross multiply
    181,993.86x = 272,991.51 × 55,633.64
  4. Step 4: Simplify right side
    181,993.86x = 15,187,510,025.44
  5. Step 5: Solve for x
    x = 15,187,510,025.44/181,993.86
  6. Step 6: Final answer
    x = 83,450.67

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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.