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Finding the Fourth Proportional to 216,279, 298,444.50 and 125,632.49

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Solution

The fourth proportional to 216,279, 298,444.50 and 125,632.49 is: 173,360.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,279 : 298,444.50 = 125,632.49 : x
  2. Step 2: Convert to fraction form
    216,279/298,444.50 = 125,632.49/x
  3. Step 3: Cross multiply
    216,279x = 298,444.50 × 125,632.49
  4. Step 4: Simplify right side
    216,279x = 37,494,324,169.58
  5. Step 5: Solve for x
    x = 37,494,324,169.58/216,279
  6. Step 6: Final answer
    x = 173,360.91

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