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Finding the Fourth Proportional to 248,366.38, 372,605.13 and 90,594.84

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Solution

The fourth proportional to 248,366.38, 372,605.13 and 90,594.84 is: 135,912.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,366.38 : 372,605.13 = 90,594.84 : x
  2. Step 2: Convert to fraction form
    248,366.38/372,605.13 = 90,594.84/x
  3. Step 3: Cross multiply
    248,366.38x = 372,605.13 × 90,594.84
  4. Step 4: Simplify right side
    248,366.38x = 33,756,102,135.53
  5. Step 5: Solve for x
    x = 33,756,102,135.53/248,366.38
  6. Step 6: Final answer
    x = 135,912.53

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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.