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Finding the Fourth Proportional to 171,372.48, 257,069.61 and 53,033.88

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Solution

The fourth proportional to 171,372.48, 257,069.61 and 53,033.88 is: 79,554.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,372.48 : 257,069.61 = 53,033.88 : x
  2. Step 2: Convert to fraction form
    171,372.48/257,069.61 = 53,033.88/x
  3. Step 3: Cross multiply
    171,372.48x = 257,069.61 × 53,033.88
  4. Step 4: Simplify right side
    171,372.48x = 13,633,398,848.39
  5. Step 5: Solve for x
    x = 13,633,398,848.39/171,372.48
  6. Step 6: Final answer
    x = 79,554.19

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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.