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Finding the Fourth Proportional to 217,567.61, 326,343.21 and 59,791.96

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Solution

The fourth proportional to 217,567.61, 326,343.21 and 59,791.96 is: 89,685.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,567.61 : 326,343.21 = 59,791.96 : x
  2. Step 2: Convert to fraction form
    217,567.61/326,343.21 = 59,791.96/x
  3. Step 3: Cross multiply
    217,567.61x = 326,343.21 × 59,791.96
  4. Step 4: Simplify right side
    217,567.61x = 19,512,700,158.59
  5. Step 5: Solve for x
    x = 19,512,700,158.59/217,567.61
  6. Step 6: Final answer
    x = 89,685.69

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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.