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Finding the Fourth Proportional to 199,910.20, 299,917.20 and 59,668.84

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Solution

The fourth proportional to 199,910.20, 299,917.20 and 59,668.84 is: 89,518.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,910.20 : 299,917.20 = 59,668.84 : x
  2. Step 2: Convert to fraction form
    199,910.20/299,917.20 = 59,668.84/x
  3. Step 3: Cross multiply
    199,910.20x = 299,917.20 × 59,668.84
  4. Step 4: Simplify right side
    199,910.20x = 17,895,711,420.05
  5. Step 5: Solve for x
    x = 17,895,711,420.05/199,910.20
  6. Step 6: Final answer
    x = 89,518.75

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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.