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Finding the Fourth Proportional to 193,168.87, 289,751.92 and 60,048.90

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Solution

The fourth proportional to 193,168.87, 289,751.92 and 60,048.90 is: 90,072.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,168.87 : 289,751.92 = 60,048.90 : x
  2. Step 2: Convert to fraction form
    193,168.87/289,751.92 = 60,048.90/x
  3. Step 3: Cross multiply
    193,168.87x = 289,751.92 × 60,048.90
  4. Step 4: Simplify right side
    193,168.87x = 17,399,283,918.77
  5. Step 5: Solve for x
    x = 17,399,283,918.77/193,168.87
  6. Step 6: Final answer
    x = 90,072.92

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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.