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Finding the Fourth Proportional to 248,106.61, 372,153 and 79,625.59

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Solution

The fourth proportional to 248,106.61, 372,153 and 79,625.59 is: 119,436.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,106.61 : 372,153 = 79,625.59 : x
  2. Step 2: Convert to fraction form
    248,106.61/372,153 = 79,625.59/x
  3. Step 3: Cross multiply
    248,106.61x = 372,153 × 79,625.59
  4. Step 4: Simplify right side
    248,106.61x = 29,632,902,195.27
  5. Step 5: Solve for x
    x = 29,632,902,195.27/248,106.61
  6. Step 6: Final answer
    x = 119,436.17

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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.