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Finding the Fourth Proportional to 161,399.94, 222,723.06 and 88,801.44

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Solution

The fourth proportional to 161,399.94, 222,723.06 and 88,801.44 is: 122,541.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,399.94 : 222,723.06 = 88,801.44 : x
  2. Step 2: Convert to fraction form
    161,399.94/222,723.06 = 88,801.44/x
  3. Step 3: Cross multiply
    161,399.94x = 222,723.06 × 88,801.44
  4. Step 4: Simplify right side
    161,399.94x = 19,778,128,449.21
  5. Step 5: Solve for x
    x = 19,778,128,449.21/161,399.94
  6. Step 6: Final answer
    x = 122,541.11

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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.