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Finding the Fourth Proportional to 117,350.72, 161,891.52 and 69,606.08

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Solution

The fourth proportional to 117,350.72, 161,891.52 and 69,606.08 is: 96,025.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,350.72 : 161,891.52 = 69,606.08 : x
  2. Step 2: Convert to fraction form
    117,350.72/161,891.52 = 69,606.08/x
  3. Step 3: Cross multiply
    117,350.72x = 161,891.52 × 69,606.08
  4. Step 4: Simplify right side
    117,350.72x = 11,268,634,092.44
  5. Step 5: Solve for x
    x = 11,268,634,092.44/117,350.72
  6. Step 6: Final answer
    x = 96,025.27

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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.