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Finding the Fourth Proportional to 161,179.92, 222,415.25 and 93,201.30

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Solution

The fourth proportional to 161,179.92, 222,415.25 and 93,201.30 is: 128,610.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,179.92 : 222,415.25 = 93,201.30 : x
  2. Step 2: Convert to fraction form
    161,179.92/222,415.25 = 93,201.30/x
  3. Step 3: Cross multiply
    161,179.92x = 222,415.25 × 93,201.30
  4. Step 4: Simplify right side
    161,179.92x = 20,729,389,973.82
  5. Step 5: Solve for x
    x = 20,729,389,973.82/161,179.92
  6. Step 6: Final answer
    x = 128,610.25

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1.5x scale

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.