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Finding the Fourth Proportional to 123,863.84, 185,748.21 and 52,741.39

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Solution

The fourth proportional to 123,863.84, 185,748.21 and 52,741.39 is: 79,091.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,863.84 : 185,748.21 = 52,741.39 : x
  2. Step 2: Convert to fraction form
    123,863.84/185,748.21 = 52,741.39/x
  3. Step 3: Cross multiply
    123,863.84x = 185,748.21 × 52,741.39
  4. Step 4: Simplify right side
    123,863.84x = 9,796,618,785.41
  5. Step 5: Solve for x
    x = 9,796,618,785.41/123,863.84
  6. Step 6: Final answer
    x = 79,091.84

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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.