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Finding the Fourth Proportional to 192,351.20, 288,526.80 and 183,165.80

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Solution

The fourth proportional to 192,351.20, 288,526.80 and 183,165.80 is: 274,748.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,351.20 : 288,526.80 = 183,165.80 : x
  2. Step 2: Convert to fraction form
    192,351.20/288,526.80 = 183,165.80/x
  3. Step 3: Cross multiply
    192,351.20x = 288,526.80 × 183,165.80
  4. Step 4: Simplify right side
    192,351.20x = 52,848,242,143.44
  5. Step 5: Solve for x
    x = 52,848,242,143.44/192,351.20
  6. Step 6: Final answer
    x = 274,748.70

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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.