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Finding the Fourth Proportional to 177,080.78, 265,699.43 and 92,820.80

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Solution

The fourth proportional to 177,080.78, 265,699.43 and 92,820.80 is: 139,272.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,080.78 : 265,699.43 = 92,820.80 : x
  2. Step 2: Convert to fraction form
    177,080.78/265,699.43 = 92,820.80/x
  3. Step 3: Cross multiply
    177,080.78x = 265,699.43 × 92,820.80
  4. Step 4: Simplify right side
    177,080.78x = 24,662,431,859.54
  5. Step 5: Solve for x
    x = 24,662,431,859.54/177,080.78
  6. Step 6: Final answer
    x = 139,272.21

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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.