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Finding the Fourth Proportional to 177,402.66, 244,813.66 and 100,919.98

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Solution

The fourth proportional to 177,402.66, 244,813.66 and 100,919.98 is: 139,268.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,402.66 : 244,813.66 = 100,919.98 : x
  2. Step 2: Convert to fraction form
    177,402.66/244,813.66 = 100,919.98/x
  3. Step 3: Cross multiply
    177,402.66x = 244,813.66 × 100,919.98
  4. Step 4: Simplify right side
    177,402.66x = 24,706,589,670.93
  5. Step 5: Solve for x
    x = 24,706,589,670.93/177,402.66
  6. Step 6: Final answer
    x = 139,268.43

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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.