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Finding the Fourth Proportional to 161,174.66, 222,408 and 93,196.03

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Solution

The fourth proportional to 161,174.66, 222,408 and 93,196.03 is: 128,602.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,174.66 : 222,408 = 93,196.03 : x
  2. Step 2: Convert to fraction form
    161,174.66/222,408 = 93,196.03/x
  3. Step 3: Cross multiply
    161,174.66x = 222,408 × 93,196.03
  4. Step 4: Simplify right side
    161,174.66x = 20,727,542,640.24
  5. Step 5: Solve for x
    x = 20,727,542,640.24/161,174.66
  6. Step 6: Final answer
    x = 128,602.99

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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.