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Finding the Fourth Proportional to 171,984.70, 257,964.90 and 59,637.70

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Solution

The fourth proportional to 171,984.70, 257,964.90 and 59,637.70 is: 89,452.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,984.70 : 257,964.90 = 59,637.70 : x
  2. Step 2: Convert to fraction form
    171,984.70/257,964.90 = 59,637.70/x
  3. Step 3: Cross multiply
    171,984.70x = 257,964.90 × 59,637.70
  4. Step 4: Simplify right side
    171,984.70x = 15,384,433,316.73
  5. Step 5: Solve for x
    x = 15,384,433,316.73/171,984.70
  6. Step 6: Final answer
    x = 89,452.34

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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.