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Finding the Fourth Proportional to 248,363.80, 372,601.26 and 90,592.26

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Solution

The fourth proportional to 248,363.80, 372,601.26 and 90,592.26 is: 135,908.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,363.80 : 372,601.26 = 90,592.26 : x
  2. Step 2: Convert to fraction form
    248,363.80/372,601.26 = 90,592.26/x
  3. Step 3: Cross multiply
    248,363.80x = 372,601.26 × 90,592.26
  4. Step 4: Simplify right side
    248,363.80x = 33,754,790,222.25
  5. Step 5: Solve for x
    x = 33,754,790,222.25/248,363.80
  6. Step 6: Final answer
    x = 135,908.66

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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.