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Finding the Fourth Proportional to 137,381.44, 205,717.29 and 94,818.25

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Solution

The fourth proportional to 137,381.44, 205,717.29 and 94,818.25 is: 141,982.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,381.44 : 205,717.29 = 94,818.25 : x
  2. Step 2: Convert to fraction form
    137,381.44/205,717.29 = 94,818.25/x
  3. Step 3: Cross multiply
    137,381.44x = 205,717.29 × 94,818.25
  4. Step 4: Simplify right side
    137,381.44x = 19,505,753,432.54
  5. Step 5: Solve for x
    x = 19,505,753,432.54/137,381.44
  6. Step 6: Final answer
    x = 141,982.45

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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.