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Finding the Fourth Proportional to 171,793.17, 257,706.16 and 53,432.73

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Solution

The fourth proportional to 171,793.17, 257,706.16 and 53,432.73 is: 80,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,793.17 : 257,706.16 = 53,432.73 : x
  2. Step 2: Convert to fraction form
    171,793.17/257,706.16 = 53,432.73/x
  3. Step 3: Cross multiply
    171,793.17x = 257,706.16 × 53,432.73
  4. Step 4: Simplify right side
    171,793.17x = 13,769,943,533.04
  5. Step 5: Solve for x
    x = 13,769,943,533.04/171,793.17
  6. Step 6: Final answer
    x = 80,154.20

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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.