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Finding the Fourth Proportional to 172,922.82, 259,383.45 and 67,667.58

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Solution

The fourth proportional to 172,922.82, 259,383.45 and 67,667.58 is: 101,501.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,922.82 : 259,383.45 = 67,667.58 : x
  2. Step 2: Convert to fraction form
    172,922.82/259,383.45 = 67,667.58/x
  3. Step 3: Cross multiply
    172,922.82x = 259,383.45 × 67,667.58
  4. Step 4: Simplify right side
    172,922.82x = 17,551,850,353.55
  5. Step 5: Solve for x
    x = 17,551,850,353.55/172,922.82
  6. Step 6: Final answer
    x = 101,501.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.