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Finding the Fourth Proportional to 177,249.76, 244,619.16 and 100,792.80

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Solution

The fourth proportional to 177,249.76, 244,619.16 and 100,792.80 is: 139,102.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,249.76 : 244,619.16 = 100,792.80 : x
  2. Step 2: Convert to fraction form
    177,249.76/244,619.16 = 100,792.80/x
  3. Step 3: Cross multiply
    177,249.76x = 244,619.16 × 100,792.80
  4. Step 4: Simplify right side
    177,249.76x = 24,655,850,070.05
  5. Step 5: Solve for x
    x = 24,655,850,070.05/177,249.76
  6. Step 6: Final answer
    x = 139,102.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.