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Finding the Fourth Proportional to 170,611.74, 255,908.34 and 52,283.43

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Solution

The fourth proportional to 170,611.74, 255,908.34 and 52,283.43 is: 78,422.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,611.74 : 255,908.34 = 52,283.43 : x
  2. Step 2: Convert to fraction form
    170,611.74/255,908.34 = 52,283.43/x
  3. Step 3: Cross multiply
    170,611.74x = 255,908.34 × 52,283.43
  4. Step 4: Simplify right side
    170,611.74x = 13,379,765,780.81
  5. Step 5: Solve for x
    x = 13,379,765,780.81/170,611.74
  6. Step 6: Final answer
    x = 78,422.30

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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.