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Finding the Fourth Proportional to 71,958.33, 107,214.01 and 67,934.25

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Solution

The fourth proportional to 71,958.33, 107,214.01 and 67,934.25 is: 101,218.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,958.33 : 107,214.01 = 67,934.25 : x
  2. Step 2: Convert to fraction form
    71,958.33/107,214.01 = 67,934.25/x
  3. Step 3: Cross multiply
    71,958.33x = 107,214.01 × 67,934.25
  4. Step 4: Simplify right side
    71,958.33x = 7,283,503,189.01
  5. Step 5: Solve for x
    x = 7,283,503,189.01/71,958.33
  6. Step 6: Final answer
    x = 101,218.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.