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Finding the Fourth Proportional to 209,161.62, 313,741.98 and 59,403.33

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Solution

The fourth proportional to 209,161.62, 313,741.98 and 59,403.33 is: 89,104.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,161.62 : 313,741.98 = 59,403.33 : x
  2. Step 2: Convert to fraction form
    209,161.62/313,741.98 = 59,403.33/x
  3. Step 3: Cross multiply
    209,161.62x = 313,741.98 × 59,403.33
  4. Step 4: Simplify right side
    209,161.62x = 18,637,318,372.79
  5. Step 5: Solve for x
    x = 18,637,318,372.79/209,161.62
  6. Step 6: Final answer
    x = 89,104.87

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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.