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Finding the Fourth Proportional to 171,173.25, 256,696.91 and 58,821.57

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Solution

The fourth proportional to 171,173.25, 256,696.91 and 58,821.57 is: 88,210.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,173.25 : 256,696.91 = 58,821.57 : x
  2. Step 2: Convert to fraction form
    171,173.25/256,696.91 = 58,821.57/x
  3. Step 3: Cross multiply
    171,173.25x = 256,696.91 × 58,821.57
  4. Step 4: Simplify right side
    171,173.25x = 15,099,314,966.24
  5. Step 5: Solve for x
    x = 15,099,314,966.24/171,173.25
  6. Step 6: Final answer
    x = 88,210.72

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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.