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Finding the Fourth Proportional to 221,713.41, 332,652.74 and 133,030.56

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Solution

The fourth proportional to 221,713.41, 332,652.74 and 133,030.56 is: 199,595.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,713.41 : 332,652.74 = 133,030.56 : x
  2. Step 2: Convert to fraction form
    221,713.41/332,652.74 = 133,030.56/x
  3. Step 3: Cross multiply
    221,713.41x = 332,652.74 × 133,030.56
  4. Step 4: Simplify right side
    221,713.41x = 44,252,980,287.73
  5. Step 5: Solve for x
    x = 44,252,980,287.73/221,713.41
  6. Step 6: Final answer
    x = 199,595.42

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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.