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Finding the Fourth Proportional to 117,939.96, 176,494.44 and 73,587.60

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Solution

The fourth proportional to 117,939.96, 176,494.44 and 73,587.60 is: 110,122.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,939.96 : 176,494.44 = 73,587.60 : x
  2. Step 2: Convert to fraction form
    117,939.96/176,494.44 = 73,587.60/x
  3. Step 3: Cross multiply
    117,939.96x = 176,494.44 × 73,587.60
  4. Step 4: Simplify right side
    117,939.96x = 12,987,802,252.94
  5. Step 5: Solve for x
    x = 12,987,802,252.94/117,939.96
  6. Step 6: Final answer
    x = 110,122.15

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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.