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Finding the Fourth Proportional to 217,563.48, 326,285.82 and 59,754.42

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Solution

The fourth proportional to 217,563.48, 326,285.82 and 59,754.42 is: 89,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,563.48 : 326,285.82 = 59,754.42 : x
  2. Step 2: Convert to fraction form
    217,563.48/326,285.82 = 59,754.42/x
  3. Step 3: Cross multiply
    217,563.48x = 326,285.82 × 59,754.42
  4. Step 4: Simplify right side
    217,563.48x = 19,497,019,928.32
  5. Step 5: Solve for x
    x = 19,497,019,928.32/217,563.48
  6. Step 6: Final answer
    x = 89,615.32

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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.