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Finding the Fourth Proportional to 221,732.41, 332,681.26 and 133,049.56

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Solution

The fourth proportional to 221,732.41, 332,681.26 and 133,049.56 is: 199,623.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,732.41 : 332,681.26 = 133,049.56 : x
  2. Step 2: Convert to fraction form
    221,732.41/332,681.26 = 133,049.56/x
  3. Step 3: Cross multiply
    221,732.41x = 332,681.26 × 133,049.56
  4. Step 4: Simplify right side
    221,732.41x = 44,263,095,263.25
  5. Step 5: Solve for x
    x = 44,263,095,263.25/221,732.41
  6. Step 6: Final answer
    x = 199,623.93

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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.