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Finding the Fourth Proportional to 148,497.30, 222,936.03 and 127,571.22

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Solution

The fourth proportional to 148,497.30, 222,936.03 and 127,571.22 is: 191,520.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,497.30 : 222,936.03 = 127,571.22 : x
  2. Step 2: Convert to fraction form
    148,497.30/222,936.03 = 127,571.22/x
  3. Step 3: Cross multiply
    148,497.30x = 222,936.03 × 127,571.22
  4. Step 4: Simplify right side
    148,497.30x = 28,440,221,329.06
  5. Step 5: Solve for x
    x = 28,440,221,329.06/148,497.30
  6. Step 6: Final answer
    x = 191,520.12

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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.