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Finding the Fourth Proportional to 144,793.57, 199,815.18 and 88,204.94

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Solution

The fourth proportional to 144,793.57, 199,815.18 and 88,204.94 is: 121,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,793.57 : 199,815.18 = 88,204.94 : x
  2. Step 2: Convert to fraction form
    144,793.57/199,815.18 = 88,204.94/x
  3. Step 3: Cross multiply
    144,793.57x = 199,815.18 × 88,204.94
  4. Step 4: Simplify right side
    144,793.57x = 17,624,685,962.99
  5. Step 5: Solve for x
    x = 17,624,685,962.99/144,793.57
  6. Step 6: Final answer
    x = 121,722.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.