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Finding the Fourth Proportional to 248,292.11, 372,473.19 and 79,755.94

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Solution

The fourth proportional to 248,292.11, 372,473.19 and 79,755.94 is: 119,645.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,292.11 : 372,473.19 = 79,755.94 : x
  2. Step 2: Convert to fraction form
    248,292.11/372,473.19 = 79,755.94/x
  3. Step 3: Cross multiply
    248,292.11x = 372,473.19 × 79,755.94
  4. Step 4: Simplify right side
    248,292.11x = 29,706,949,125.65
  5. Step 5: Solve for x
    x = 29,706,949,125.65/248,292.11
  6. Step 6: Final answer
    x = 119,645.16

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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.