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Finding the Fourth Proportional to 193,394.26, 290,093.39 and 58,459.45

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Solution

The fourth proportional to 193,394.26, 290,093.39 and 58,459.45 is: 87,689.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,394.26 : 290,093.39 = 58,459.45 : x
  2. Step 2: Convert to fraction form
    193,394.26/290,093.39 = 58,459.45/x
  3. Step 3: Cross multiply
    193,394.26x = 290,093.39 × 58,459.45
  4. Step 4: Simplify right side
    193,394.26x = 16,958,700,028.04
  5. Step 5: Solve for x
    x = 16,958,700,028.04/193,394.26
  6. Step 6: Final answer
    x = 87,689.78

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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.