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Finding the Fourth Proportional to 181,466.56, 272,022.45 and 81,651.88

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Solution

The fourth proportional to 181,466.56, 272,022.45 and 81,651.88 is: 122,398.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,466.56 : 272,022.45 = 81,651.88 : x
  2. Step 2: Convert to fraction form
    181,466.56/272,022.45 = 81,651.88/x
  3. Step 3: Cross multiply
    181,466.56x = 272,022.45 × 81,651.88
  4. Step 4: Simplify right side
    181,466.56x = 22,211,144,444.71
  5. Step 5: Solve for x
    x = 22,211,144,444.71/181,466.56
  6. Step 6: Final answer
    x = 122,398.00

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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.