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Finding the Fourth Proportional to 181,467.56, 272,023.94 and 81,652.88

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Solution

The fourth proportional to 181,467.56, 272,023.94 and 81,652.88 is: 122,399.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,467.56 : 272,023.94 = 81,652.88 : x
  2. Step 2: Convert to fraction form
    181,467.56/272,023.94 = 81,652.88/x
  3. Step 3: Cross multiply
    181,467.56x = 272,023.94 × 81,652.88
  4. Step 4: Simplify right side
    181,467.56x = 22,211,538,129.95
  5. Step 5: Solve for x
    x = 22,211,538,129.95/181,467.56
  6. Step 6: Final answer
    x = 122,399.50

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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.