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Finding the Fourth Proportional to 189,574.56, 283,132.80 and 171,769.68

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Solution

The fourth proportional to 189,574.56, 283,132.80 and 171,769.68 is: 256,540.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,574.56 : 283,132.80 = 171,769.68 : x
  2. Step 2: Convert to fraction form
    189,574.56/283,132.80 = 171,769.68/x
  3. Step 3: Cross multiply
    189,574.56x = 283,132.80 × 171,769.68
  4. Step 4: Simplify right side
    189,574.56x = 48,633,630,453.50
  5. Step 5: Solve for x
    x = 48,633,630,453.50/189,574.56
  6. Step 6: Final answer
    x = 256,540.91

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.