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Finding the Fourth Proportional to 171,144, 256,750.20 and 52,810.88

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Solution

The fourth proportional to 171,144, 256,750.20 and 52,810.88 is: 79,226.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,144 : 256,750.20 = 52,810.88 : x
  2. Step 2: Convert to fraction form
    171,144/256,750.20 = 52,810.88/x
  3. Step 3: Cross multiply
    171,144x = 256,750.20 × 52,810.88
  4. Step 4: Simplify right side
    171,144x = 13,559,202,718.43
  5. Step 5: Solve for x
    x = 13,559,202,718.43/171,144
  6. Step 6: Final answer
    x = 79,226.87

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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.