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Finding the Fourth Proportional to 244,564.90, 366,912.15 and 86,776.90

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Solution

The fourth proportional to 244,564.90, 366,912.15 and 86,776.90 is: 130,188.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,564.90 : 366,912.15 = 86,776.90 : x
  2. Step 2: Convert to fraction form
    244,564.90/366,912.15 = 86,776.90/x
  3. Step 3: Cross multiply
    244,564.90x = 366,912.15 × 86,776.90
  4. Step 4: Simplify right side
    244,564.90x = 31,839,498,949.34
  5. Step 5: Solve for x
    x = 31,839,498,949.34/244,564.90
  6. Step 6: Final answer
    x = 130,188.34

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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.