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Finding the Fourth Proportional to 117,496.31, 176,268.87 and 53,423.91

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Solution

The fourth proportional to 117,496.31, 176,268.87 and 53,423.91 is: 80,146.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,496.31 : 176,268.87 = 53,423.91 : x
  2. Step 2: Convert to fraction form
    117,496.31/176,268.87 = 53,423.91/x
  3. Step 3: Cross multiply
    117,496.31x = 176,268.87 × 53,423.91
  4. Step 4: Simplify right side
    117,496.31x = 9,416,972,246.68
  5. Step 5: Solve for x
    x = 9,416,972,246.68/117,496.31
  6. Step 6: Final answer
    x = 80,146.97

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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.