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Finding the Fourth Proportional to 192,034.20, 288,051.30 and 173,371.80

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Solution

The fourth proportional to 192,034.20, 288,051.30 and 173,371.80 is: 260,057.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,034.20 : 288,051.30 = 173,371.80 : x
  2. Step 2: Convert to fraction form
    192,034.20/288,051.30 = 173,371.80/x
  3. Step 3: Cross multiply
    192,034.20x = 288,051.30 × 173,371.80
  4. Step 4: Simplify right side
    192,034.20x = 49,939,972,373.34
  5. Step 5: Solve for x
    x = 49,939,972,373.34/192,034.20
  6. Step 6: Final answer
    x = 260,057.70

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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.