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Finding the Fourth Proportional to 242,215.49, 363,375.74 and 73,731.41

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Solution

The fourth proportional to 242,215.49, 363,375.74 and 73,731.41 is: 110,613.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,215.49 : 363,375.74 = 73,731.41 : x
  2. Step 2: Convert to fraction form
    242,215.49/363,375.74 = 73,731.41/x
  3. Step 3: Cross multiply
    242,215.49x = 363,375.74 × 73,731.41
  4. Step 4: Simplify right side
    242,215.49x = 26,792,203,484.46
  5. Step 5: Solve for x
    x = 26,792,203,484.46/242,215.49
  6. Step 6: Final answer
    x = 110,613.09

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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.