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Finding the Fourth Proportional to 170,073.60, 254,818.80 and 110,878.80

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Solution

The fourth proportional to 170,073.60, 254,818.80 and 110,878.80 is: 166,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,073.60 : 254,818.80 = 110,878.80 : x
  2. Step 2: Convert to fraction form
    170,073.60/254,818.80 = 110,878.80/x
  3. Step 3: Cross multiply
    170,073.60x = 254,818.80 × 110,878.80
  4. Step 4: Simplify right side
    170,073.60x = 28,254,002,761.44
  5. Step 5: Solve for x
    x = 28,254,002,761.44/170,073.60
  6. Step 6: Final answer
    x = 166,128.09

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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.