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Finding the Fourth Proportional to 161,735, 223,194.30 and 94,667

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Solution

The fourth proportional to 161,735, 223,194.30 and 94,667 is: 130,640.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,735 : 223,194.30 = 94,667 : x
  2. Step 2: Convert to fraction form
    161,735/223,194.30 = 94,667/x
  3. Step 3: Cross multiply
    161,735x = 223,194.30 × 94,667
  4. Step 4: Simplify right side
    161,735x = 21,129,134,798.10
  5. Step 5: Solve for x
    x = 21,129,134,798.10/161,735
  6. Step 6: Final answer
    x = 130,640.46

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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.