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Finding the Fourth Proportional to 173,383.52, 239,231.64 and 100,799.60

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Solution

The fourth proportional to 173,383.52, 239,231.64 and 100,799.60 is: 139,081.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,383.52 : 239,231.64 = 100,799.60 : x
  2. Step 2: Convert to fraction form
    173,383.52/239,231.64 = 100,799.60/x
  3. Step 3: Cross multiply
    173,383.52x = 239,231.64 × 100,799.60
  4. Step 4: Simplify right side
    173,383.52x = 24,114,453,619.34
  5. Step 5: Solve for x
    x = 24,114,453,619.34/173,383.52
  6. Step 6: Final answer
    x = 139,081.58

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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.