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Finding the Fourth Proportional to 192,525.48, 288,837.48 and 74,165.04

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Solution

The fourth proportional to 192,525.48, 288,837.48 and 74,165.04 is: 111,266.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,525.48 : 288,837.48 = 74,165.04 : x
  2. Step 2: Convert to fraction form
    192,525.48/288,837.48 = 74,165.04/x
  3. Step 3: Cross multiply
    192,525.48x = 288,837.48 × 74,165.04
  4. Step 4: Simplify right side
    192,525.48x = 21,421,643,257.70
  5. Step 5: Solve for x
    x = 21,421,643,257.70/192,525.48
  6. Step 6: Final answer
    x = 111,266.54

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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.