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Finding the Fourth Proportional to 171,601.76, 257,415.80 and 57,750.13

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Solution

The fourth proportional to 171,601.76, 257,415.80 and 57,750.13 is: 86,629.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,601.76 : 257,415.80 = 57,750.13 : x
  2. Step 2: Convert to fraction form
    171,601.76/257,415.80 = 57,750.13/x
  3. Step 3: Cross multiply
    171,601.76x = 257,415.80 × 57,750.13
  4. Step 4: Simplify right side
    171,601.76x = 14,865,795,414.89
  5. Step 5: Solve for x
    x = 14,865,795,414.89/171,601.76
  6. Step 6: Final answer
    x = 86,629.62

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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.