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Finding the Fourth Proportional to 240,912.45, 361,165.47 and 151,969.89

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Solution

The fourth proportional to 240,912.45, 361,165.47 and 151,969.89 is: 227,826.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,912.45 : 361,165.47 = 151,969.89 : x
  2. Step 2: Convert to fraction form
    240,912.45/361,165.47 = 151,969.89/x
  3. Step 3: Cross multiply
    240,912.45x = 361,165.47 × 151,969.89
  4. Step 4: Simplify right side
    240,912.45x = 54,886,277,532.18
  5. Step 5: Solve for x
    x = 54,886,277,532.18/240,912.45
  6. Step 6: Final answer
    x = 227,826.65

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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.