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Finding the Fourth Proportional to 60,795.20, 91,193.19 and 19,242.20

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Solution

The fourth proportional to 60,795.20, 91,193.19 and 19,242.20 is: 28,863.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,795.20 : 91,193.19 = 19,242.20 : x
  2. Step 2: Convert to fraction form
    60,795.20/91,193.19 = 19,242.20/x
  3. Step 3: Cross multiply
    60,795.20x = 91,193.19 × 19,242.20
  4. Step 4: Simplify right side
    60,795.20x = 1,754,757,144.65
  5. Step 5: Solve for x
    x = 1,754,757,144.65/60,795.20
  6. Step 6: Final answer
    x = 28,863.42

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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.