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Finding the Fourth Proportional to 117,458.27, 162,092.52 and 63,743.29

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Solution

The fourth proportional to 117,458.27, 162,092.52 and 63,743.29 is: 87,965.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,458.27 : 162,092.52 = 63,743.29 : x
  2. Step 2: Convert to fraction form
    117,458.27/162,092.52 = 63,743.29/x
  3. Step 3: Cross multiply
    117,458.27x = 162,092.52 × 63,743.29
  4. Step 4: Simplify right side
    117,458.27x = 10,332,310,509.19
  5. Step 5: Solve for x
    x = 10,332,310,509.19/117,458.27
  6. Step 6: Final answer
    x = 87,965.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.