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Finding the Fourth Proportional to 236,986.20, 326,824.20 and 185,310

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Solution

The fourth proportional to 236,986.20, 326,824.20 and 185,310 is: 255,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,986.20 : 326,824.20 = 185,310 : x
  2. Step 2: Convert to fraction form
    236,986.20/326,824.20 = 185,310/x
  3. Step 3: Cross multiply
    236,986.20x = 326,824.20 × 185,310
  4. Step 4: Simplify right side
    236,986.20x = 60,563,792,502
  5. Step 5: Solve for x
    x = 60,563,792,502/236,986.20
  6. Step 6: Final answer
    x = 255,558.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.