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Finding the Fourth Proportional to 177,675.20, 266,512.80 and 165,924.80

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Solution

The fourth proportional to 177,675.20, 266,512.80 and 165,924.80 is: 248,887.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,675.20 : 266,512.80 = 165,924.80 : x
  2. Step 2: Convert to fraction form
    177,675.20/266,512.80 = 165,924.80/x
  3. Step 3: Cross multiply
    177,675.20x = 266,512.80 × 165,924.80
  4. Step 4: Simplify right side
    177,675.20x = 44,221,083,037.44
  5. Step 5: Solve for x
    x = 44,221,083,037.44/177,675.20
  6. Step 6: Final answer
    x = 248,887.20

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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.