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Finding the Fourth Proportional to 182,558.72, 273,869.21 and 81,393.48

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Solution

The fourth proportional to 182,558.72, 273,869.21 and 81,393.48 is: 122,104.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,558.72 : 273,869.21 = 81,393.48 : x
  2. Step 2: Convert to fraction form
    182,558.72/273,869.21 = 81,393.48/x
  3. Step 3: Cross multiply
    182,558.72x = 273,869.21 × 81,393.48
  4. Step 4: Simplify right side
    182,558.72x = 22,291,168,066.75
  5. Step 5: Solve for x
    x = 22,291,168,066.75/182,558.72
  6. Step 6: Final answer
    x = 122,104.10

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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.