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Finding the Fourth Proportional to 171,052.90, 256,555.05 and 52,736.20

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Solution

The fourth proportional to 171,052.90, 256,555.05 and 52,736.20 is: 79,096.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,052.90 : 256,555.05 = 52,736.20 : x
  2. Step 2: Convert to fraction form
    171,052.90/256,555.05 = 52,736.20/x
  3. Step 3: Cross multiply
    171,052.90x = 256,555.05 × 52,736.20
  4. Step 4: Simplify right side
    171,052.90x = 13,529,738,427.81
  5. Step 5: Solve for x
    x = 13,529,738,427.81/171,052.90
  6. Step 6: Final answer
    x = 79,096.81

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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.