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Finding the Fourth Proportional to 217,505.94, 326,196.27 and 59,739.54

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Solution

The fourth proportional to 217,505.94, 326,196.27 and 59,739.54 is: 89,592.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,505.94 : 326,196.27 = 59,739.54 : x
  2. Step 2: Convert to fraction form
    217,505.94/326,196.27 = 59,739.54/x
  3. Step 3: Cross multiply
    217,505.94x = 326,196.27 × 59,739.54
  4. Step 4: Simplify right side
    217,505.94x = 19,486,815,119.52
  5. Step 5: Solve for x
    x = 19,486,815,119.52/217,505.94
  6. Step 6: Final answer
    x = 89,592.11

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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.