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Finding the Fourth Proportional to 171,627.84, 257,438.52 and 53,296.56

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Solution

The fourth proportional to 171,627.84, 257,438.52 and 53,296.56 is: 79,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,627.84 : 257,438.52 = 53,296.56 : x
  2. Step 2: Convert to fraction form
    171,627.84/257,438.52 = 53,296.56/x
  3. Step 3: Cross multiply
    171,627.84x = 257,438.52 × 53,296.56
  4. Step 4: Simplify right side
    171,627.84x = 13,720,587,527.49
  5. Step 5: Solve for x
    x = 13,720,587,527.49/171,627.84
  6. Step 6: Final answer
    x = 79,943.83

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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.