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Finding the Fourth Proportional to 117,892.27, 176,840.23 and 65,633.91

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Solution

The fourth proportional to 117,892.27, 176,840.23 and 65,633.91 is: 98,451.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.27 : 176,840.23 = 65,633.91 : x
  2. Step 2: Convert to fraction form
    117,892.27/176,840.23 = 65,633.91/x
  3. Step 3: Cross multiply
    117,892.27x = 176,840.23 × 65,633.91
  4. Step 4: Simplify right side
    117,892.27x = 11,606,715,740.20
  5. Step 5: Solve for x
    x = 11,606,715,740.20/117,892.27
  6. Step 6: Final answer
    x = 98,451.88

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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.