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Finding the Fourth Proportional to 244,127.90, 365,754.44 and 86,255.66

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Solution

The fourth proportional to 244,127.90, 365,754.44 and 86,255.66 is: 129,228.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,127.90 : 365,754.44 = 86,255.66 : x
  2. Step 2: Convert to fraction form
    244,127.90/365,754.44 = 86,255.66/x
  3. Step 3: Cross multiply
    244,127.90x = 365,754.44 × 86,255.66
  4. Step 4: Simplify right side
    244,127.90x = 31,548,389,007.00
  5. Step 5: Solve for x
    x = 31,548,389,007.00/244,127.90
  6. Step 6: Final answer
    x = 129,228.94

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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.