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Finding the Fourth Proportional to 290,241.06, 435,193.44 and 112,540.02

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Solution

The fourth proportional to 290,241.06, 435,193.44 and 112,540.02 is: 168,744.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,241.06 : 435,193.44 = 112,540.02 : x
  2. Step 2: Convert to fraction form
    290,241.06/435,193.44 = 112,540.02/x
  3. Step 3: Cross multiply
    290,241.06x = 435,193.44 × 112,540.02
  4. Step 4: Simplify right side
    290,241.06x = 48,976,678,441.47
  5. Step 5: Solve for x
    x = 48,976,678,441.47/290,241.06
  6. Step 6: Final answer
    x = 168,744.83

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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.