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Finding the Fourth Proportional to 248,896.30, 373,344.45 and 154,201.90

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Solution

The fourth proportional to 248,896.30, 373,344.45 and 154,201.90 is: 231,302.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,896.30 : 373,344.45 = 154,201.90 : x
  2. Step 2: Convert to fraction form
    248,896.30/373,344.45 = 154,201.90/x
  3. Step 3: Cross multiply
    248,896.30x = 373,344.45 × 154,201.90
  4. Step 4: Simplify right side
    248,896.30x = 57,570,423,544.46
  5. Step 5: Solve for x
    x = 57,570,423,544.46/248,896.30
  6. Step 6: Final answer
    x = 231,302.85

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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.