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Finding the Fourth Proportional to 181,604.40, 272,494.44 and 81,835.44

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Solution

The fourth proportional to 181,604.40, 272,494.44 and 81,835.44 is: 122,792.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,604.40 : 272,494.44 = 81,835.44 : x
  2. Step 2: Convert to fraction form
    181,604.40/272,494.44 = 81,835.44/x
  3. Step 3: Cross multiply
    181,604.40x = 272,494.44 × 81,835.44
  4. Step 4: Simplify right side
    181,604.40x = 22,299,702,394.95
  5. Step 5: Solve for x
    x = 22,299,702,394.95/181,604.40
  6. Step 6: Final answer
    x = 122,792.74

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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.